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Prev Professional Automotive Repair Technical Discussions for March 31, 2008
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Open Help Requests for European
Help Request Answers
1984 BMW 533i 3.2L idle VIN: WBADB74403
when i first start the car the idle is fine. after the car gets to the running temp, when its in nuetral the idle will jump back and fourth anywhere from 13 to 18 hun rpm. tested a bunch of nemerous sensors, switches and what not and everything has tested to s...
2003 BMW 325i 2.5L Starting VIN: WBAEV33483
customers complaint is every 5-6 weeks he will go out first thing in the morning and car will not crank over, all of the dash warning lights will come on, customer will go to crank and get a rapid clicking noise, just like low battery voltage, he will boost it...
2002 Jaguar X-Type 3.0L No drive when hot VIN: SAJEA51C52
OK, this one is a bit of a mess. I am looking for an experienced jag tech that can help us out. Car came in without any fluid and were asked to replace automatic transmission. We replaced the trans w/factory rebuilt. After several road tests and when vehicle w...
2003 Jaguar S-Type 4.2L MIL Lamp on VIN: SAJGAQ3V63
Hello This supercharged S type R is setting lean codes for both banks. Car is very clean. LTFT 1s about 17 to 19%. STFT is always near 0%. It is easy to see that under high load fuel supply is ok. Both O2 sensors above 900mV. Very nice performance. Probl... Trouble codes: P0171 (lean - bank 1), P0174 (lean - bank 2)
1994 Mercedes-Benz E320 3.2L timing chain VIN: WDBEA92E8R
I hope there is a mercedes tech out there that can help me. We are replacing the cylinder head gasket on this vehicle due to an oil leak at the back of the head. Our mitchell guide said to just mark the chain to the cam gears for reinstall. After removing the ...
1995 Mercedes-Benz E300 3.0L Poor Idle Quality, Cuts out VIN: WDBEB31E7S
Hello all, have a 606 engien came in overheating with no power and super stiff brake pedal...first we pulled the vacuum pump and found it broken in many pieces,installed a new vacuum pump and that cured the hard brake pedal,still no power.we pulled the valve c...
2002 Mercedes-Benz S55 AMG 5.5L etc transmission VIN: WDBNG73J52
This car is driving good for the first 15 minutes after cold start, after that trans goes into limp home mode. Shut engine off and everything go back to normal and after 15 minutes or so, same thing. Scanned all systems and in the engine module we go codes to ...
2005 Mini Cooper S 1.6L Restraints VIN: WMWRE33565
I was checking headlights and fog lights. The Air bag light came ( noticed it) on after I was finished. I have check connectors, I could not see any dislodged. I am unable to find any info about this code. Shopkey claims all this info is in the BMW scanner, so...
1985 Porsche 928 S 5.0L Interior VIN: WPOJB092XF
Hello Fellow Techs. I have a 1985 Porsche 928 currently in the shop with an Oil Pressure Guage that is intermittently working. While the Oil Pressure Guage was inoperable when the vehicle came in last week, the Original Oil Pressure Sending Unit was also leaki...
1999 Saab 9-5 2.3L Crank Sensor Shutter Wheel VIN: YS3ED58E4X
Hello all - This 4-cyl 9-5 automatic was towed in after the engine quit on the road. Testing showed that the crank sensor signal was absent. New crank sensor, no change. I took the crank sensor out and found that I could twirl the crank sensor's shutter wheel ...
1999 Volkswagen Jetta GL 2.0L Battery Drain / Draw VIN: 3VWRA81H0X
Guys and Gals, I need some advice on where to go with the VW Jetta. If it sits over night the battery will go dead. It has a huge draw that I have not been able to locate. I have taken EVERY fuse and relay out of this car, I have removed the radio, unlpluged t...
2000 Volkswagen Beetle GLS 2.0L Excessive Emissions, Poor Idle Quality, Hesitation VIN: 3VWCA21C3Y
good morning, this beetle came in running very rich. spark plugs black, exhaust very rich. the fuel pressure regulator is not leaking, no vacuum leaks found.the upstream o2 seneor is showing .889 volts all the time if you unplug the sensor it drops to .230volt...
2001 Volkswagen Beetle GLX 1.8L comfort module VIN: 3VWDD21CX1
there is current drain from comfort control module, about 150ma. from scan tool data, all switches from all doors, trunk and hood are opperating normally. tested all functions of the comfort and window system, all in spec. according to vw's technical informati...
2005 Volkswagen Jetta GLS TDI 1.9L MIL Lamp on, NO POWER VIN: WVWSR61J25
need some help diesel vw techs out there: this is a fairly new car with only 42K. this people run biodiesel. this car came in with a NO POWER complaint. the acceleration is very sluggish, and sometimes it gets to the point where it wont climb hills. also found... Trouble codes: 16512 (valve coolant circuit n21a temp. below control limit), 16618 (turbo pressure control limit exeeded p0234 intermittent)
2001 Volvo S40 1.9L Stall, MIL Lamp on VIN: YV1VS29531
Towed in for no start, determined it was a no start when cold, but it would run if you gave it some throttle for a bit on cold startup. Pulled codes, got a P0102, did a little research, and cleaned the MAF. Parked it outside (BIG mistake), rechecked it a coupl... Trouble codes: P0102 (MAF signal too low)

Fixes & Summaries for European
Fix/Summary Answers
2002 Audi A6 Quattro 4.2L Pressure control valve VIN: WAUML64B42
Hello, and thank you to all that replied. Many of you suggested that I check for water accumulating in the passenger footwell. Unfotunately, I was not so lucky. I did however find that this problem was more common in cold weather. So, I hooked up an ammeter to...
1994 BMW 840Ci 4.0L No Start VIN: XXXCC89371
Thanks for all the replies, although there was not an overwhelming response on this one. The general consensus was that 11 amps (or close to it, as it was just under 11) was too much. One reply (Thanks Delmar) said spec was 8-10 amps. Just to be sure tha...
1997 BMW 740iL 4.4L not sure VIN: WBAGJ8327V
I would like to thank all the people who replied to my help request. Replacing the oil pump fixed the vehicle. Customer happy!!!
2001 Mercedes-Benz C240 2.6L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: WDBRF61J31
we put new air mass meter on from world pac. still had problems. vehicle ended up at the dealer. they said they found a vacuum line off of egr valve, and said they had to put new airmass meter on it. ran fine after that. thanks for all your responses Trouble codes: P0170.
2001 Mercedes-Benz C320 3.2L MIL Lamp on, ESP/ABS/BAS fail VIN: WDBRF64J61
Greetings. The Mercedes C320 is fixed and has gotten its inspection sticker. Thank you for the many quality responses. The fix was to replace the MAF sensor as almost all of the responses suggested. When P0170 & P0173 codes are stored ("Fuel trim malfunctio... Trouble codes: P0170 (Mixture adapt. at limit at Idle Bank 1), P0173 (Mixture adapt. at limit at Idle Bank 2).
2002 Mercedes-Benz C230 Kompressor 2.3L intermittent tapping VIN: WDBRN47J82
Thanks again all- Wednesday morning we replaced the canister purge valve- that was the only thing electrical in the area and since the noise happened after stopping for almost a minute it seemed the most logical thing to do. I replaced it and performed numerou...
1994 Volkswagen Jetta GL 2.0L Cuts out, Stall VIN: 3VWRC81H3R
Thanks to all that replied.Most of you said that the crank code KOEO will be there sure enough KOER no code.I was hesitant to install crank sensor on theory only especially because of price.I looked at fuel pump pattern it starting to flatten out it pulls 9amp... Trouble codes: 513 (engine speed sensor g-28).
1999 Volkswagen Beetle GL 1.9L MIL Lamp on VIN: 3VWCF21C0Y
Sorry for the long delay. Turns out after checking everything I could I found a crack in the flex pipe that goes from the EGR valve to the turbo. Once the pipe was replaced everything is fine, the customer even stated it started better and seems a bit quicker... Trouble codes: 17964 (P1556 17964 Charge Pressure Control Negative Deviation).
2000 Volkswagen Beetle GLS 2.0L Electronic VIN: 3VWCC21C1Y
At this time I have not solved this mystery. The transmission goes through the gears correctly as far as the number of shifts and transitioning from hydraulic to mechanical. At this time all I can say is that this vehicle must have a weird ratio transmission ...
2003 Volkswagen Golf GTI VR6 2.8L Misfire, MIL Lamp on, COOLING FAN INOP VIN: 9BWDH61J43
Thank you to all who replied, I did replace the coolant temp sensor, it was the original black one, replaced with the updated green one. Did find the fuse panel on top of the battery nuked, replaced it. Still had no fan or a/c compressor operation after fuse p... Trouble codes: 19537 (engine coolant temp too low), P3081 (manufactures specific code).
1989 Volvo 760 GLE 2.8L No Start VIN: YV1GA6942K
thank you all who offered help it turned out to be a bad ignition amplifier and a weak coil thank you again
1997 Volvo 850 GLT 2.4L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: YV1LS5648V
an overwhelming amount of excellent advice was given on this vehicle. unfortunately the customer elected to take the vehicle and install used parts themselves. I am pretty confident that the vehicle needed a MAF sensor, but they didnt want to fix it properly. ... Trouble codes: 212 (front o2 signal), 444 (acceleration sensor signal), 451 (misfire 1), 452 (misfire 2), 552 (misfire cylinder 2 twc damage), 551 (misfire cylinder 1 twc damage).
1997 Volvo 850 2.4L No Start VIN: YV1LS5558V
Hello All, Sorry this has taken so long to post, I was waiting for the car to come back on a hook. No news is good news? Thanks to all of the great responses. Most suggestions we had already tried and tried again. To recap : ignition switch, cam sensor...
2001 Volvo V70 2.4L MIL Lamp on VIN: YV1SW61R31
Thanks to all who replied. The car went to the dealer and they replaced the cat under warranty. The car is fixed. My friend is happy and so am I (that I didn't have to do it). Trouble codes: P0420 (Catalyst below efficiency).
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