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Prev Professional Automotive Repair Technical Discussions for April 7, 2014
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Help Request Answers
2005 Audi A6 Quattro 3.2L Misfire VIN: WAUDG74F25
Vehicle came in with a complaint of engine light flashing and traction control light on. Scan computer and found cylinder misfire #5. Replaced all spark plugs and replace cylinder #5 ignition coil with new OEM. Cleared trouble codes and drove vehicle. Under lo... Trouble codes: 00077, 00571
2007 Audi A8 Quattro L 4.2L Air Suspension VIN: WAUMV44EX7
Vehicle came in down in front. Had codes 01400, 01769, 01577. Replaced front struts, compressor, relay and air suspension control valve. After those repairs were made vehicle started to come up but suddenly deflated and went back down. Only has code 01437(for ...
2007 BMW 328xi 3.0L Halo VIN: WBAWC33507
First off, I am not very fluent in BMWs. Our normal BMW guy is away on vacation this week, so this 328i has fallen in my lap. The problem is that the Driver side "Halo" lights are not working. I have taken the cover off the headlight and found i am not getting...
1987 Mercedes-Benz 560SL 5.6L No Start, Poor Idle Quality, Stall
Car was towed in.Customer stated the car sat for about a year due to this problem.The car will start and run perfect until it gets warm.The car will stumble and die.It will restart but will not rev up.I can spray carb cleaner in it while I am trying rev it and...
2000 Mercedes-Benz CLK430 4.3L airbag VIN: WDBLK70G4Y
hello,this is a first time customer with a real nice 2000 Mercedes clk 430 convertible.the airbag light is on ,so I pulled code 34,"digital crash output wiring faulty".this is a new one on me.I have never seen this code beforeand alldata has absolutely zero in...
2002 Mercedes-Benz ML500 5.0L Cuts out VIN: 4JGAB75E02
This vehicle came to me needing a tune up service by age and mileage. The customer also stated that the vehicle had a sticky throttle. The MAF sensor was replaced prior to the vehicle coming to me, to solve a no start. On a road test, I observed a severe cut o... Trouble codes: P20D4
2008 Mercedes-Benz GL550 5.5L warning light
Hello everyone, this car is new to us but came in with brake pad low warning message , some one has recently replaced pads , rotors and ,sensors,I checked the sensors , they seemed ok but I put new ones in anyway, road tested the car and all seemed fine the ow...
2004 Porsche Boxster 2.7L Misfire, Vibration VIN: WP0CA29844
Hello Porsche Techs, We have a car that has 81,723 miles and it has never had a clutch. We have misfire codes on one bank (# 2) only. We have a bad vibration at 3K RPM(Only)and it feels like a flywheel that is out of balance. We don't have slippage from the cl... Trouble codes: P0300 (Misfire Detection), P0306 (Misfire cylinder 6), P0304 (Misfire cylinder 4), P0305 (Misfire cylinder 5), P0174 (Oxygen sensing adaptation idle range bank 2)
2009 Smart Fortwo Passion 1.0L MIL Lamp on VIN: WMEEJ31X39
we have looked into this atleast 3 different times. replaced the plugs and air filter. per techline bulletin. all readings look good fuel etc. cleaned the throttle body today. it was gummed up.air filter looks clean. i see no reason for this code to keep reset... Trouble codes: P2177
2010 Volkswagen Jetta TDI 2.0L Reverse VIN: 3VWPL7AJ5A
So I have quite a headache over this DSG transmission... I wish I had realized this transmission had a checkered past before I ordered the valve body for it, but its too late now. The problem presents its self when engaging reverse as it does not always sta...
2010 Volkswagen Jetta TDI 2.0L Misfire, MIL Lamp on VIN: 3VWPL7AJ9A
We have this jetta that for the past 40,000 miles the customer has had the check engine light on and off. We have cleared the code a few times for him but now he is ready for us to diagnose. We have the vag com system but have not really started to diag the ve... Trouble codes: P0272 (Cylinder 4 contribution fault)
2004 Volvo XC90 2.5T 2.5L Rear Brakes VIN: YV1CZ59H84
vehicle first came to me for front and rear brake job and that Ebrake would not hold vehicle while on a hill on customers property. we replaced all ebrake cables and shoes and performed TSB for updated e brake spring. customer has returned now twice becuase Eb...

Fixes & Summaries for European
Fix/Summary Answers
1991 Audi 200 Quattro 20v Avant 2.2L MIL Lamp on VIN: WAUHE5445M
The replies varied from this 2324 code relating to the MAF or the ground for the ECM. With the help of Identifix we found a 12v key on power missing at the ECM. This ended up being a relay muissing in the main fuse box up under the left dash area. We could not... Trouble codes: 2324.
1986 BMW 325es 2.7L Clutch release bearing
Thanks all for the information. I never did find the "exact fit" throw out bearing as what was taken out. So I reluctantly installed the bearing we got and put it all back together. It works perfectly fine...for now. My concern is longevity. We shall see. ...
1999 Volkswagen EuroVan GLS 2.8L transmission VIN: WV2KH2701X
I'm going to close this because I am running out of time on my post. Last time I talked to the transmission shop that has the vehicle they had ordered a used tcm to try. If we ever resolve this issue I will update my post to let you guys know. Thanks, A...
2005 Volkswagen Jetta GLS TDI 1.9L No Throttle Response VIN: 3VWSR69M95
I have a factory CAM coming because I have little to no info on aftermarket cam shaft. I will re-post if there is still a issue. Thanks to everyone that replied.
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