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Prev Professional Automotive Repair Technical Discussions for January 20, 2005
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Open Help Requests for European
Help Request Answers
1990 Audi V8 Quattro 3.6L Cuts out, Stall VIN: WAUKE5441L
Audi techs, I do not have much to go on because I have not seen the car. This is a friends car and i thought maybe it might be something common on these. I do not work on Audis too much. Anyway this Audi seems to die when coming to a stop or slowing down. The ...
1998 Audi A4 1.8L Hard Start VIN: WAUCB28D2W
Hello all, The check engine light has been on since before Christmas, with no running problems noted except the occasional hard start. Cranks OK, just takes longer to catch and run. Assumed Dad may have been up to a little amateur diagnostic work of his own, s... Trouble codes: P0116 (Coolant Sensor), P1425 (Evap. Purge Valve Short to Ground), P1547 (Boost Presure Reg. Valve Short to Ground), P1472 (Evap Leak Pump Short to Ground), P0102 (MAF Too Low), P0134 (O2 Sensor B1S1 No Activity)
1995 BMW 740i 4.0L Air Bag VIN: WBAGF61090
I'm not very sure about this, but as fas as I know I have to check driver seatbelt, I did it but there was no sensor in the seatbelt mecanism. I need a general description for this code and also specific procedure and data in order to test this specific circui...
1997 BMW 528i 2.8L MIL Lamp on VIN: WBADD532XV
Hi guys! got a wierd Siemens system. Seems DME feeding back 5V onto post O2 sensor wires causing them to read double what they should. DME condemns the CAT's. When DME disconnected the 5V goes away. Has anyone had this sort of problem? Can I reprogram a used D... Trouble codes: 233 (catalyst inefficiency cylinders 1-3), 234 (catalyst inefficiency cylinders 4-6)
1999 Land Rover Range Rover SE 4.0L height control VIN: SALPV1140X
vehicle tends to drop overnight, and also takes a while to lift. The suspension indicator lights stays on, and it automatically bleeds off and drops again. When battery terminal is taken off and put back on the systems starts to work and then malfunctions. Als...
1994 Mercedes-Benz E320 3.2L Surge VIN: WDBEA32E5R
Hi Guys. I have a bad surging problem at idle(400-1200rpm) car drives fine otherwise. Engine starts well cold & does not start surging until the engine warms up to about 60 degrees C. The colder the temp. the longer period before the surge starts. Customer sta...
1997 Mercedes-Benz E320 3.2L No passing gear acce VIN: WDBJF55F8V
Using a Snapon 2500 I get no fault codes, the MIL light is not on. The car starts and drives well up to about 2/3 throttle. Will go 80 plus mph easily. But if the throttle is fully opened, it does not gain speed. Particularly if the transmission kicks down to ...
1987 Porsche 928 S4 5.0L No Start VIN: WP0JB0923H
Hello Porsche Techs, We have not done much in the way of searching for this complaint except for the basics due to the lack of info. We are looking for some help and possibly as simple fix before we tear into this vehicle. We have changed the battery because t...
2000 Volkswagen Passat GLS 1.8L Alternator VIN: WVWMA23B3Y
Attempting to remove alternator from vehicle. The lower bolt hits the clutch fan and won't clear the alternator to allow me to free it from the bracket. The alternatives seem to be to r&r the radiator/fan assembly or loosen the entire bracket both which are no...
2001 Volkswagen Beetle GLS 1.9L No Start VIN: 3VWCP21C61
Hello group, thanks in advance. This New Beetle tdi came to us with lackluster performance. We did the scheduled maintenance and cam belt replacement, checked and adjusted pump timing, still ran poorly, just general lack of power. There were no engine codes on... Trouble codes: P0380 (glow plug circuit problem remedied.)
2001 Volkswagen Beetle GLS 2.0L MIL Lamp on VIN: 3VWCT21C61
Customer came in the the check engine light on code #P0172B O2 sensor rich. We checked the system but found no problems. We did clean the carbon and the throtall body. Replaced the air filter and added BG44 to clean the fuel injectors and resete the light. The... Trouble codes: P172
2001 Volvo S80 T6 2.8L Misfire, MIL Lamp on, no miss fire codes VIN: YV1TS90D31
The vehicle came in with the check engine light on and the emmisions light on. The data stream indicated that the long term was at 17.2 for b1 and 22.2 for b2. The car drove fine except a slight miss under a load uphill, but didn't have any miss fire codes. I ... Trouble codes: P1152 (o2 sensor front bank 2 too rich), P1181 (fuel adapt bank 2 at limits)
2001 Volvo V70 2.4L MIL Lamp on VIN: YV1SW61N01
Hi All, Customer just bought this Volvo and now the MIL is on. W/P0171 (system too lean). We have checked it out for vacuum leaks with smoke and propan and none are apparent. We have cleaned the Air Mass Meter however the light returns fairly quickly. My ques... Trouble codes: P0171

Fixes & Summaries for European
Fix/Summary Answers
1996 Audi A4 2.8L MIL Lamp on VIN: WAUEA88D0T
I was finding stray voltage on the crank signal and when I disconnected the speed sensor it went away. After checking the wiring and finding no fault I pulled the ECU and found trace water on the connector for the crank and cam sensors! Turns out he had instal... Trouble codes: P1391.
1995 BMW 325is 2.5L Poor Idle Quality, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: WBABF4322S
thank you for all your replies.we checked for vacuum leaks and found that the rubber hose that goes to the idle valve was leaking where the plastic fitting goes into the intake,found a bad o-ring there,replaced it and car ran fine.customer has not been Trouble codes: 1215 (mass air sensor).
1997 BMW 528i 2.8L accessories VIN: WBADD62060
Nearly all the replies on this one were correct. The fault was with the ignition switch. It was getting very bad voltage drop through an accessory circuit, which caused the multiple faults we were experiencing. Thanks to all who replied.
2002 Land Rover Freelander SE 2.5L Hesitation, Misfire VIN: SALNY22242
The selling dealer finally got around to replacing the fuel module and owner reports car running fine at all times.However the owner also states that the fuel guage now reads backwardsi.e.reads empty when full and visa versa. This one is out of my hands.I wi... Trouble codes: P0303, P1472 (VIS power valve always open).
1994 Mercedes-Benz E220 2.2L engine management VIN: WDB1240222
Morning all, The fault with this vehicle turned out to be a wiring harness worn through in multiple places, which in turn had damaged the ECU. The owner has declined a repair as the harness is $1650.00 and the ECU is over $4000.00!! We offered to repair the ha...
2001 Mercedes-Benz S430 4.3L Ride Control VIN: WDBNG70J91
Kevin, Victor and Raymond hit the nail on the head. After finding the correct relay and testing it, found relay stuck in closed position.We found no water intrusion in the relay box. After replacing the relay ,maxi fuse and pump per Kevin, vehicle operated as ...
1985 Saab 900 2.0L poor starting after VIN: YS3AM35J9F
Hi all Thanks for all the help and info that was supplied. What I did to it to fix the floading when it came in was replace O2, temp sensor, spark plugs, change oil, cleaned fuel distributor plate, set ignition timing. I also set the idle speed down, becau...
1996 Volkswagen Passat TDI 1.9L lack of power VIN: WVWGG83A9T
I Do appreciate all the replies but they have been no help. I have had the old head rebuilt and will replace it with the rebuilt one on the car in the next couple of days. Thats the only thing we changed so I thought I would start over and try again. I will po...
1998 Volkswagen Jetta GL 2.0L ignition switch VIN: 3VWPA81H6X
Hey guys, Thanks to everyone who replied to me on this jetta.Everyone had the same fix to removing the collar by using pullers,splitters,jaws,and hammers.A couple of techs even reminded me about sring tension and depth of the collar while reinstalling.And ever...
1989 Volvo 760 2.3L alternator VIN: YV1GA8745K
Thank you for all that replied, too many to mention. About half of replies suggested printed circuit board on dash and others were alternator. Tested red wire from dash to alt and good. All engine grounds tested good. Installed new circuit board and now altern...
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