Any surging or turbo lag would be unsettling, and would send an SUV into an. My car starts and runs fine, but under strong acceleration, as in when I peg the turbo needle, it chugs, sputters, stumbles and recovers only when I reduce the gas. ) I've been driving a 4. Why does my car accelerate slowly when I press the gas? Greg February 16, 2012. When I "nail" it from a dead stop, the acceleration isn't smooth. Hi, My car is an 07 TDI 170 When driving there is often a hesitation under acceleration for maybe half a second whilst pulling through the rev range it then usually carries on ok but it sometimes hesitates multiple times through one gear. So, under acceleration, mixtures get richer. That was the cheapest turbo overhaul I've done! Always be sure of your tests, and don't jump to conclusions. I'm really at a loss for what could be going on because there are no check engine lights and it isn't a hard surge as in a misfire or fuel cut, its a slight surge that seems boost related, and I can't find any leaks. 1993 Toyota MR2 Turbo 2. It only happens under WOT or heavy throttle. Hoping someone would be able to help me with a problem I have with my touareg. You can feel it in your body as the acceleration has brief pauses. Now grated I bought the car used (only had 25k miles on it and was owned by an older lady, mid 60s), but the car was only driven to church and the bingo hall. Recall cost was about $600. EGR problems. 3 AFM Silverado w/66,000miles has been RPM surging while driving over the past couple weeks. It seems more prominent at higher speeds, say jumping on it at 65 - 70 mph, but it will behave that way at lower speeds also. The surge/jerk/cough has happened twice more, again under the same circumstances of being under power in 4th gear, revs at about 4000-4500. I took the truck for a test drive as I graphed the data with my Snap-on Modis. As Stealth pointed out in the post above, it could be a leaky exhaust gasket. I get this when accelerating gently up the hill on my street, and when accelerating lightly (the Mitsubishi loaner car I had with a CVT did not do this under the same conditions). when I go in for my air conditioning service next week I'm going to ask them about that. I have checked the turbo pipes all seems fine and I dont think it is the coil packs or spark plugs etc. When the motor is warm it is not there. This is called the ‘surge’ line, and forcing the turbocharger to operate to the left of this line causes ‘compressor surge’. When I "nail" it from a dead stop, the acceleration isn't smooth. 196 months. Commonly, this performance problem is due to a particular system that have been neglected. I have a 1980 Turbo Indy Trans Am. Toyota Camry Engine hesitates during acceleration Inspection at your home or office. 5 turbo diesel I'm trying to help him fix. This is a seriously fast machine, it is powered by the 3. 6billion in British sales and its profits are also up 50 per cent but they only paid £28million in UK corporation tax last year, new figures revealed today. This is an exact, direct fit replacement turbo. i was parking it one day and the gas pedal stuck to the floor causing it to do damage to my house and patio and i almost lost my life. It feels like since the turbo is allowed to spool higher under WOT then partial throttle sends it shooting up in pressure even when you don't want it. Hi all, Got the classic Td5 surging under load problem on my disco 2. Under these circumstances, successful diagnostics usually boils down to basic checks and a solid understanding of system operating fundamentals. GFB Discussion Paper The Truth About Compressor Surge. Page 1 of 4 - Fuel loss under acceleration 1200 turbo - posted in 4-TEC Turbo Talk: Last few 660 snow drags I have run, there has been a fuel loss or cavitation problem under load. i was parking it one day and the gas pedal stuck to the floor causing it to do damage to my house and patio and i almost lost my life. Â I have had most of these problems happen to me and just want to spread some info. Turbo surging/barking I just had new injectors, glow plugs, GPCM, and a bag of parts (CP3 20% over) installed. It is good to check your vacuum lines they are important but less likely to cause surging on an N/A than on a turbo. i had two recalls on the car and i took her back to the garage and they never had the parts and they never did. 12 LACK/LOSS OF POWE. Now grated I bought the car used (only had 25k miles on it and was owned by an older lady, mid 60s), but the car was only driven to church and the bingo hall. We're talking about engines that start easily and accelerate smoothly, but then, after a few minutes at a steady speed, either surge in speed or misfire, causing the car to "buck. after installing new DIC, I am noticing that car tends to slow down and accelerate randomly even with same pressure on accelerator peddle. It has done this ever since I've owned it. :thumbsup: I've checked for vacuum/air leaks thoroughly with an unlit propane torch and the riskier starting fluid methods. Your truck will not go. Eventually I printed out Steve's reply and told them that it was the turbo. A compressor stall is a local disruption of the airflow in the compressor of a gas turbine or turbocharger. Notice: Undefined index: HTTP_REFERER in /home/baeletrica/www/1c2jf/pjo7. 1993 Toyota MR2 Turbo 2. turbo stall and turbo surge experienced by many modified Powerstroke diesels. Also I am getting 113 and 121 codes now so thats faulty wiring for o2 sensor and amm so no wonder the car is running like ****. The dashboard lights and chimes come on, and then go out almost immediately. We’ve looked through complaints sent to the National Highway Traffic and Safety Administration and found that a number of Dodge Ram owners had reported:. W210 Acceleration Problem. I got home and gave it a shot, and it seems like after ignition, after around 1 minute, it'll give less acceleration / rev the engine more if you hit the gas. Surging or "Stuttering" under acceleration. Also, as a side note. It has been regularly maintained by dealership and run on Shell V-Power 93. Narrowing down the cause of engine bog and dead spots in the rpm range - Hot Rod Magazine. It runs better as the engine - Answered by a verified Mazda Mechanic. Anyone else had problems with a 1. Â If you need more detail you ca. Other concern was poor shifting. And don't know if this is a sign of a clutch going either. The wga is hooked up to the turbo via the top fitting on the turbo. Acceleration on the move—from, say, 30 mph to 50 mph—is a bit tougher to gauge when you're the only vehicle on the road, but even with the aging CVT transmission Infiniti saddled the VC-Turbo. Vacuum leaks in MAF systems will usually cause a rough idle, but often will not result in surging under cruise. Under the hood, a 4. Surging Horsepower Under Hard Acceleration Factory 2. Larger turbos typically flow more air, therefore shifting the surge line to the right, which increases the opportunity for the second type of surge. Mods are: HKS uncatted upipe w/o EGT bung SR*S turbo back exhausts w/o cats. Different owners seem to describe this problem using a variety of expressions. A4 (B5 Platform) Discussion - turbo Surging? - ok guys, I am having a brain fart here. Under Construction THIS FORUM IS FOR TRANSPLANTS OF TURBO BUICK. The exhaust smells sort of gassy, but nothing too. - Another Honda bulletin describes the problem with hesitation or stumble under light acceleration between 1,500-2,000 rpm in the 1990-1993 Accord and 1997-2001 Prelude with a 4-cylinder engine. Here's the issue it's fine under acceleration but when you are going at a constant speed. One of the most common causes of an engine misfire condition is the tune up parts. 1993 Toyota MR2 Turbo 2. I went back to our local Ram dealer for the third time, the Service manager stated I was the only one he knew who was complaining about this. 5bar of boost at full throttle. you can build your own for under $10, but I bought. It’s the new range topper for its one, and. Withstanding Power Output 8. I have no warning lights showing. Toyota Camry Engine hesitates during acceleration Inspection at your home or office. Ok, so after cleaning and setting the clutch I have determined that it is not slipping, and it's time to move on and check. Easy step by step guide on how to repair an automotive engine that is surging, this information pertains to most vehicles and is listed in the order of popularity. I'm going to put in new spark plugs and fuel filter today and see if that helps. One of the most popular gear setups with the road racer in mind is 3. APR is pleased to present the 2. Hopefully this will encompass all the noobie questions. Could be possible its getting ready to croak. 0 TSI EA888 Gen 1 Stage III GTX Turbocharger System! In 2008, shortly after the worldwide release of the 2. acceleration Sputtering and popping was the first indication of trouble with mine (see: Another one not running). turbo stall and turbo surge experienced by many modified Powerstroke diesels. How do i fix it and what is it exactly? Please help me fix it. This occurs above about 3500 rpm, with full throttle. The most recently reported issues are listed below. Surging/Thrusting Problem Under Acceleration. I thought this fixed it, but after a longer drive today, it appears its still there. Pictured above is the Japanese built 3 litre Nissan Straight-Six, which was fitted to the VL series during 1986, 1987 and most of 1988. I will disconnect the tuning module (mentioned earlier in this thread) and try to recreate the symptoms. Both the Stage kit and tune have been installed for 20+k so I don't believe its related. Sometimes the engine light doesnt flash at all and it just "surges" or buckles under acceleration. The only issue you could get with a diesel engine with compressor surge is under that full throttle application if the turbo sizing isn't correct, running into surge under wide open throttle. [phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode. I tried some decent acceleration to possibly duplicate the issue in 4th and 5th gear, and at about 3k rpms when the turbo started to boost it came back worse. High fuel low. Re: engine surge/trans shifting problem I hope that they just didnt scan it and say its OK. If this is surge will I simply need my map tweaked to suit the 3" tip and p-flo? Thanks. In diagnosing the misfire, some information is needed about the maintenance of the vehicle. on Nov 5 2009, 01:57 PM within the Help & Advice category. I have a new one month old 2016 AU facelift XT, which under light acceleration has a mild on and off surging feeling or mild bucking. 95% of the car is stock, the battery was replaced, and the exhaust is way too shiny to be stock. DESCRIPTION. Made me think of carbon'ed up plugs and I dismissed it at that. 5 turbo diesel - Chevrolet 1500 question. Im struggling to work out what is causing it though. If its just a boost issue, all else runs good I would say check ebp sensor and check for leaks. After checking and replacing the plugged EGR coolers the engine idle is smoother and power feels better but the surging is still. The vehicle hasn't been used in about a month or so. It never felt right under Cobb v202 or latest v205. Both the Honda Turbo we tested last month and the Yamaha Turbo presented here have force-fed engines and high-tech styling. When speed is achieved and levels out it stops. That's the best way I can describe it. Guaranteed highest quality available. 5L Diesel shooting out black smoke C/K Car Forums Listen for turbo spool up on acceleration. I own a 2000 beetle 1. It not only can become worse but it's unsafe. Any surging or turbo lag would be unsettling, and would send an SUV into an. It can also be the lag in acceleration during an attempt to pass or overtake another vehicle at conditions less than rated speed. · Engine surges, bucks, run Shudder or shake on acceleration. Then it stopped and never flashed at me until i tried accelerating hard again around and the same thing happened. I have experienced it three or four times and I have run my turbo automatic on 95RON since new. Also I am getting 113 and 121 codes now so thats faulty wiring for o2 sensor and amm so no wonder the car is running like ****. Disable the EGR ~$0-$30 +More complete combustion-Not legal for onroad use. My argument for turbo flutter is that many turbo cars are set up without BOVs or DVs and they are doing just fine. The major disadvantage of turbo is the wait for turbo to come into boost. This has occurred for some time when in the manual mode and in 1st gear, extreme surging. After #5 was changed, the rpm started to surge under acceleration. So my 2012 Eco Cruze is doing the common surging/jerking under acceleration. The "soft" misfire, often called a surge, is commonly associated with fuel related issues. 11 Surges Acceleration/cruise A momentary minor irregularity in engine output. The vehicle hasn't been used in about a month or so. I was reading old posts over at the place and some suggested that it was a bad fuel rail pressure regulator (FRPR) or it could also be a loose reluctor wheel on the crankshaft sensor. 2013 Subaru Impreza Hesitation When Accelerating. Surge under acceleration Discussion in '1st Generation Ram Forum (1989 - 1993) nope it is a turbo surge or the technical term is "compressor stall". Stage 2 Saab 9-3 stuttering during heavy acceleration I'm new to the Saab world and I've had this 2004 Saab 9-3 for a few months and recently when I am in 4th or 5th. -When the car is completely warmed up: Still has the above surging. This setting determines the rate at which acceleration enrichment begins. In diagnosing the misfire, some information is needed about the maintenance of the vehicle. Thursday 2nd September 2010. 0 is a cool, chic, city commuter that will get you smoothly to your destination. This was not a small issue, this issue of the failure of the HPFF affected 10’s of thousands of BMW owners, from 2007 thru 2010. Minimum pump pressure should be 8 psi under all conditions. XT acceleration jerking/surging problem solved! So after 2 years of trying to solve this issue my beloved XT is finally driving like a new car again. 0L Engines Water + Oil Cooled. Prerequisites for effective diagnosis include the following topics:. It does not misfire or anythign like that. I have experienced it three or four times and I have run my turbo automatic on 95RON since new. i had two recalls on the car and i took her back to the garage and they never had the parts and they never did. Hello all, Im currently experiencing some very annoying surging in my 2012 Regal. The code P0401 is listed among other possible codes. Im sure everyone is going to have a different opinion. If this is the case (just a guess) I would go back to the dealer and tell them to check the turbo wheels and that it was under warranty when you first had this problem which they didn't fix at the time. Customer complaint was severe lack of power and performance on this 05 Dodge Ram 2500 Diesel 5. I shut off traction control to rule that out, and it still stutters. acceleration. It is not a drive line issue. High fuel low. Hopefully this will encompass all the noobie questions. It then energizes a solenoid to vent all of the air out of the BOV cap, causing a pressure differential between the piston of the BOV and the cap which will vent pressure. When I feel the condition coming on, I'm usually just cruising steady around 3k and it starts to slightly stumble/surge. Only happens over 10-12lbs of boost. In this case you may recognize it as a subtle "jerkiness" under hard acceleration. Once when I had it pegged flat out the motor cut out & stalled on me (thought I blew it up at the time), took a little while to get it started again as well. expected under the given conditions of load, grade, wind, and so on. Help, anybody have any information on surging on acceleration. -Boost: Car boosts up fine, but is not hitting target boost of 19psi. It has not set any DTC's. If its just a boost issue, all else runs good I would say check ebp sensor and check for leaks. Surge is a dangerous instability and can occur e. I am having some intermittent problems with my Defender TD5 surging / hesitating a little when under acceleration. As the boost drops, fueling will then increase and the whole process starts again, leading to surging. 2L Turbo it bucked. That was the cheapest turbo overhaul I've done! Always be sure of your tests, and don't jump to conclusions. turbo stall and turbo surge experienced by many modified Powerstroke diesels. The engines RPMs seem to bounce back and forth 50-100 rpm. In short, you press on the gas, and nothing happens, and in fact, the car seems to lose power or "bog down. the engine will run OK but not under. Badly-worn spark plugs could likely be the cause of the poor acceleration and the slow starting. Severe-duty applications like courier and transport duty call for an engine to run many hours a day under constant idling and stop-and-go conditions. Plugs have been replaced, premium fuel and Chevron Techron as fuel injection cleaner is standard procedure. As the engine gets warmed up, the surging isnt a violent as when its cold. 0L diesel engine may exhibit various light surging concerns upon light acceleration from stop to 50 MPH (80 Km/h) typically on cold start, 1800 to 2800 RPM in drive or neutral, or under high load typically. You can hear it, you can feel it, and here you can see it. If you hear this sound when under load or acceleration BACK OFF because it will kill your turbo in a hurry. If I let it idle for a long time then the idle will jump around on me. Other concern was poor shifting. *pe 01/15/2013. I've noticed this surging as well. Increased Oil. Also I am getting 113 and 121 codes now so thats faulty wiring for o2 sensor and amm so no wonder the car is running like ****. It does it from cold starting in the morning and then will continue to do it even when the engine is warm. 1993 Toyota MR2 Turbo 2. 10s will get you into the rpm band. My first thought was maybe fuel filter or a leak in the intercooler causing a loss of power. On the way home from picking it up the car started juddering quite badly under acceleration at around the speed of 50. The Turbonetics catalog says to pick a turbo that is close to the peak turbo efficiency at the engine's torque peak while still maintaining at least 60% efficiency at the maximum rpm of the engine. Here recently it began having the same feeling as if the transmission was slipping some under acceleration, but my engine rpms actually correspond to the lack of power (almost like it is misfiring). 5bar of boost at full throttle. In this article, we will learn everything about turbocharger surging. 16 Answers. I have a 1980 Turbo Indy Trans Am. Any other thoughts? Thanks. ’ ‘To this day, the combination of acceleration, dynamic performance and braking power offered by the current 911 Turbo continues to set the model apart from its peers. It's been a real pleasure dealing with them and the service is great. This is the most common type of surge, and is usually caused by an improperly tuned or faulty Blow off Valve. The truck now surges or "barks" the turbo under any kind of acceleration. Top-gear acceleration, such as passing on the highway, was pretty good. Browse your favorite brands affordable prices free shipping on many items. Turbo Actuator Frozen Seized P0299 code This problem was on an OM647 engine, but could apply to others also. 9 cummins, custom 4 inch exhaust, 5 inch RBP tip, injen cold air intake, airaid modular intake tube, Smarty S-06 POD set on #9, FASS 150 fuel pump, Dr. It was not turbo lag, as I own three other turbo charged engines and know what turbo lag was. Along with this our transmission has been giving us occasional hard shifts. Surging or "Stuttering" under acceleration. The ALTA CRV uses the tried and true method of using intake manifold vacuum and pressure, along with turbo pressure to open the valve. In most cases the cabin fan is located under the hood and under the false bulkhead. when the bucking starts under acceleration I have to release the. Many times their are multiple problems. The "sharp" misfire, on the other hand, frequently relates to ignition problems. 2) as for the "surge" shifting 3rd to 4th: when cold, if I quickly jump right up to 60mph I get a lousy 3rd to 4th shift. The cruising and acceleration stumble always occur at the same time, never independently. Several 2007 STI owners have complained about this. I've recently changed the Pmd with a new vetilated fsd and relocated it with a fan on it. I keep mine on race unless I'm towing, it says to back it down so I towed on level 3 last week and it kick out a turbo under power. Another common mishap is a continual acceleration throughout a performance, due to a habit of regularly rushing the beat. 00 Tacoma TRD 4x4 329WHP 390Wtq Turbo sucka. If you set it too low, however, you may have inadvertent enrichment triggered by noise on the TPS signal. I have no warning lights showing. This item regulates turbo boost and thus engine power. Still seems to boost 1. I'm really at a loss for what could be going on because there are no check engine lights and it isn't a hard surge as in a misfire or fuel cut, its a slight surge that seems boost related, and I can't find any leaks. Long-Term Durability 11. Intermittent engine power loss upon acceleration - in the most recent occurrence (5/24/19), the motorcycle was moving from a city street in north las vegas (craig road) onto i-15 northbound. I read a post that said let the turbo control the wastegate and not the pcm keeps the boost more consistent and reduces spikes and ptb. Vacuum leaks in MAF systems will usually cause a rough idle, but often will not result in surging under cruise. The World's Largest Community of RX-7 Owners and Enthusiasts. I upgraded the turbo to a modified K04 installed front mounted intercooler and went with an open atmosphere blow off valve. Still seems to boost 1. 2006 Ram 2500, 6 speed,4x4, 5. I have always thought it was the car OL/CL issue. Sometimes, the computer can tell you what is wrong [instructions]. Some 2004-2006 E-Series/F-Super Duty and 2004-2005 Excursion vehicles built before 8/22/2005 and equipped with a 6. 5 turbo diesel engine 1998 chevy 1/2 ton 4x4 6. Light Surge after Turbo Replacement: 2004-2006 engines that exhibit a light surge on light acceleration up to 50 MPH, typically after a cold start, at steady speeds between 1800-2800, or when climbing a grade (towing or not), may have a sticking Variable Geometry Turbo actuator. 5L Diesel shooting out black smoke C/K Car Forums Listen for turbo spool up on acceleration. It not only can become worse but it's unsafe. It has done this ever since I've owned it. We have a VW Golf TDI. It's a weird pulsing feeling. Your vehicle doesn't like running in high altitudes with a potato crammed up its tailpipe any more than you would (but, hey, to each his own). I don't have a W123 anymore, so if people can chime in with the missing bits that would be great. check turbo repeat position. The MAF (mass air flow) systems used on many cars measure the amount of air flowing through the engine's throttle valve (throttle body) and use that information to determine how much fuel to inject. Surge is a dangerous instability and can occur e. This FRS turbo kit or BRZ turbo kit is surprisingly flexible — you’ll get your choice of a journal bearing or ball bearing turbocharger, depending on your preference. It is not a drive line issue. I have only owed for about 6months. It has not helped this time. 5 twin-turbo is experiencing a surge and hesitation at the beginning of a slow take off, or a rolling take off. on Nov 5 2009, 01:57 PM within the Help & Advice category. Thats what mine does but you dont have to turn a corner as such, just full throtle on anything under 3/4 of a tank and it splutters and coughs and I also see the Traction Control light flash. I dont know if anyone else is experiencing the same problem with the new ford flash, but with 5 different SCT tunes, I have a bad surging under acceleration starting at 2800rpm. 6HDI engine? I know of someone eles who’s replaced the turbo 3 times, luckily all under warranty. I own a 2005 Subaru XT Turbo and my problem with the car’s A/C is that it is making a LOUD noise. 160 000km's). Light Surge after Turbo Replacement: 2004-2006 engines that exhibit a light surge on light acceleration up to 50 MPH, typically after a cold start, at steady speeds between 1800-2800, or when climbing a grade (towing or not), may have a sticking Variable Geometry Turbo actuator. As I begin a moderate hill climb and turbo boost climbs to around 12psi the surging begins, especially when hauling my 12,000lb toy hauler, makes hauling very annoying! I can back off the throttle or I can push into it to force higher RPM and TC unlock, either way stops the surging. Unlike conventional turbo 'blow-off' valves, the Yamaha ABV redirects air pressure back into the intake side of the compressor to prevent surge and help maintain impeller speed, always at the ready for the next acceleration with seamless power delivery. Engine hesitation : Cadillac CTS 3. Initial acceleration from a stop seems normal until around 1200 - 1500 RPM, or when moving and you drop into that RPM range and then: From either a standing start or rolling forward at speed, when the accelerator is pressed down, the engine hestiates, then surges or stutters, and doesn't accelerate or gain speed until you push manage to get it. I bought the triple package, intake with cold air option, runner and the 5 inch cat back. 70/63 Anti-Surge Compressor Turbocharger 600HP, Turbo Charger for 2. If you accelerate tooo hard it will "cough a little too", So far suggestion are turbo actuator or egr valve. In diagnosing the misfire, some information is needed about the maintenance of the vehicle. Yeah, you've definitely got a leak somewhere and it looks like it's after the turbo inlet. 0L Engines Water + Oil Cooled. hi i have a problem i just cant find the cure to. 1 MPa and then flutter up and down a couple of times when this skip occurs. The cruising and acceleration stumble always occur at the same time, never independently. It only STARTS to advance from about 1200rpm, which is too late, and it must be limited in how much total advance it makes so it wont cause detonation under any combination of throttle and RPM. The exhaust smells sort of gassy, but nothing too. Good day all, For the past year my corsa has hesitated under acceleration from roughly 1500-1800 rpm. When a lawn mower surges, it sounds as if the engine reaches full speed, only to decelerate quickly. but nothing makes the surging disappear all together. It may well be that these events are the hesitation & stumble problems described in this article. Some 2004-2006 E-Series/F-Super Duty and 2004-2005 Excursion vehicles built before 8/22/2005 and equipped with a 6. It seems to have helped as the surging is better. Sit the car on a level service (under cover if it's raining) and use a hair dryer (not too hot) to dry out any moisture in the wiring. it can be seen that the 911 Turbo acceleration prowess kicks in quickly but gradually. That's the only way I can really. The engine surges bad enough to shake the entire bus. The Nebula Turbo takes the appearance of the first generation Volvo 242 2-door. Re: Hesitation and slight popping during acceleration? Why? i have the same problem. Page 1 of 4 - Fuel loss under acceleration 1200 turbo - posted in 4-TEC Turbo Talk: Last few 660 snow drags I have run, there has been a fuel loss or cavitation problem under load. I'm really at a loss for what could be going on because there are no check engine lights and it isn't a hard surge as in a misfire or fuel cut, its a slight surge that seems boost related, and I can't find any leaks. Engine surging or engine hesitation is an obvious symptom of the bad spark plug as well. View all 21 consumer vehicle reviews for the Used 2016 Land Rover Discovery Sport on Edmunds, or submit your own review of the 2016 Discovery Sport. Its a fuel related problem and you. 6HDI engine? I know of someone eles who’s replaced the turbo 3 times, luckily all under warranty. 00 Tacoma TRD 4x4 329WHP 390Wtq Turbo sucka. I have experienced it three or four times and I have run my turbo automatic on 95RON since new. Many times their are multiple problems. On the way home from picking it up the car started juddering quite badly under acceleration at around the speed of 50. Drivability Limitations 13. I also notice that it happens wot under boost while it feels like someone is dragging the car back. The exhaust smells sort of gassy, but nothing too. Ok so i bought this 91 se-r that just rolled over to the 100,000 mile mark but its had an infinity G20 sr20de put in it recently. Twin turbo 80 horse power deutz Diesel engine blows black smoke under load Diesel engines smoke when under a heavy load. Our stock rebuilds are assembled to BMW specifications by our experienced and dedi. i had two recalls on the car and i took her back to the garage and they never had the parts and they never did. Ended up having to disassemble and clean the turbo. Our certified mobile technicians come to you 7 days a week between 7 AM and 9 PM. There ways always a slight shudder before the turbo cut in and it started to pull. If this is the case (just a guess) I would go back to the dealer and tell them to check the turbo wheels and that it was under warranty when you first had this problem which they didn't fix at the time. could be the cold weather but it doesnt seem to be surging past 16 in second but 3rd,4th and 5th is pretty bad at high speeds. Road test with boost gauge Drive to third gear with normal acceleration. It does not misfire or anythign like that. However, on zero or a very light throttle it seems to surge ie seems to accelerate fractionally,then not, then on again etc. Except in the extreme cold to pre-load the engine to create excess heat, DIESEL ENGINES DO NOT NEED BOOST WHEN NOT UNDER A TORQUE LOAD, ESPECAILLY NOT AT IDLE !!!. The Garrett GT38 turbo that came installed by the factory on most 7. An engine's vacuum readings can tell an awful lot about its running parameters, provided you know how to read the gauge in the first place. It was an ignition problem that was fixed with a reprogramming of the engine computer. It feels like since the turbo is allowed to spool higher under WOT then partial throttle sends it shooting up in pressure even when you don't want it. Oil contamination, turbo surge & intermittent heavy smoke. It is widely reported that a clogged oil feed tube leading to the. -Boost: Car boosts up fine, but is not hitting target boost of 19psi. The service engine light came on in my car. I have replaced the plugs and the stutter/shudder did go away for a short period of time, but it is back again. Jump to content Sign In. A class-action suit against Ford has been filed on behalf of consumers from 14 states, including Michigan, who claim defects have resulted in. pull off turbo soon to clean that stuff. Turbochargers work by pushing extra compressed air into the engine which, in turn, causes greater acceleration. com surge, or hesitation while driving the brakes will override acceleration. First you, which was a pisser cos i said to my mates, " here we go, here comes a quick diesel" and all looked good till we here Clang clang cling, Doh, so much for me pushing the TDi bug to my mates. It is like there is a huge weight shaking my car forward and back quickly and the entire car shakes/it's loud. It was not turbo lag, as I own three other turbo charged engines and know what turbo lag was. If you are going up a slight incline or accelerating lightly (where you start to hear the boost bypass noise in the vents/dash) it will start surging. Many times their are multiple problems. Also–spark plugs tend to take a beating in a turbo-charged engine.