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Prev Professional Automotive Repair Technical Discussions for August 2, 2007
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Open Help Requests for European
Help Request Answers
1993 BMW 740i 4.0L Unknown VIN: WBA6D8321P
hello all. last week i recharged the a/c system on this bmw and it worked fine, now it's back with a code 65 a/c compressor signal and the high and low side pressures are the same at 43 psi. checked with the sniffer and could not find any leaks inside or out o...
1994 BMW 740i 4.0L No Start VIN: WBAGD4325R
Guys, i need help with this one, i bought this car as a project,had bad motor and i changed it with one known good motor finished the job and the car wont start. I hooked up my scanner and tried to retrive any codes but no communication was established, i chec...
2001 BMW X5 3.0i 3.0L No Start, MIL Lamp on VIN: WBAFA53511
This problem is intermittant. One key start it does it and the next it doesn't. When broken it may not catch at all or catch and die or start and be in limp home where it idles around 1150 rpm, trans seems locked in 3rd gear and doesn't respond to shifter, and... Trouble codes: P0604 (DME 100- self check RAM ROM invalid sum), 145 (EGS- CAN moment reduction), DSC, 118 (status DME internal error)
1986 Mercedes-Benz 560SEL 5.6L Poor Idle Quality, Hesitation VIN: WDBCA39DXG
Hello MB Techs we have this weird problem with this car, it has a hesitation at take off and also if you slow down below 1500 rpm and accelerate will also hesitate, above 1500 rpm it runs OK the, idle is rough intermittently. we crack open each port in the fue...
1995 Mercedes-Benz S420 4.2L Limp home mode VIN: WDBGA43E1S
ASR light on, car in limp home mode. I have checked all can wires & control units with ohm meter. All within spec. I have replaced EA contol unit & ASR contol unit. Same codes stay present & stays in limp home mode. Trouble codes: 014 (In EA N4/1 Control module N4/1 won clear), 030 (In ASR N30/1 no CAN reception from EA N41 wont clear)
1998 Mercedes-Benz S420 4.2L hard start hot VIN: WDBGA43GXW
hard start hot after sitting 1/2 hour puzzled on why sometimes with key on fuel pump will run a few seconds then the next time will not or you can try turning the key on 2x in a row and the pump will run both times then the next time you try will not run . i ... Trouble codes: N0NE
2001 Mercedes-Benz E320 3.2L Mystery leak
Hello. Sorry about the VIN, I am at home and can't stop thinking about this. I am looking for a refrigerant leak on this Mercedes. I charged the system about six weeks ago, and today it returned low on refrigerant. I added dye at that time and spent an hour or...
1987 Volkswagen Jetta 1.8L rotors,master cyl VIN: WVWGA0160H
Customer came in with this jetta after he had replaced the brake calipers,rotors,master,hoses and pads (all front)He was trying to cure dragging front brakes. After replacement of all the parts the brakes still intermittently drag and overheat. I inspected all...
2000 Volkswagen Beetle GL 1.8L Cuts out, Stall, MIL Lamp on VIN: 3VWCD21COY
Thanks in advance for any help. this is my inlaws recent purchase and is kind of boggling me.please see the fault codes listed above. the symptoms are the car will just die, usually on decel with the epc, and check engine light coming on. iam not sure if the l... Trouble codes: 17965 (charge pressure control positive deviation), 17535 (mult sys too rich), 16487 (mass airflow sensor signal too high), 17744 (engine torque monitor controllimit exceeded)
2000 Volkswagen Passat GLS 1.8L MIL Lamp on VIN: WVWAA23B1Y
This 1.8 passat has a recurring P0411 fault for secondary air, incorrect flow. The car initially came in 5/07 with an MIL having the same fault. The combination valve was stuck open with some miscellaneous broken vacuum lines. The valve was replaced and the li... Trouble codes: P0411 (Secondary air injection incorrect flow)
2003 Volkswagen Jetta GL 1.8L Radiator Fans VIN: 3VWPE69M43
Hello group, This vehicle came to me after the local dealership got done throwing parts at it with no results. The problem is that the cooling fans (both) on the radiator stay on at all times when the vehicle is running with the a/c off. They stay on after yo...
2003 Volkswagen Beetle GLS 2.0L convertible top VIN: 3VWCK21Y23
we took this vehicle to the dealer for diagnosis, and told us to replace the switch by the r/s ram assy. we did,not fixed, not good camper when it didn't work. i'm leaning towards a climate module it controls the convertible top also. any help out there would ...
1996 Volvo 850 Turbo 2.3L A/C compressor VIN: YV1LS5722T
This vehicle does have climate control. Basically the computer is not energizing the A/C relay. The problem is not intermittent. The vehicle isn't overheating. The lights on the controls for hvac are not flashing. I only have generic scan tool capability with ...

Fixes & Summaries for European
Fix/Summary Answers
1999 Audi A6 Quattro 2.8L transmission VIN: WAUBA24B4X
It wasn't the transmission after all. After putting the vehicle up on the lift and having a person inside the car continue to shift the car from drive to reverse several times I could see that there was a lot of slop in the drive line, (center driveshaft yoke/...
2002 Audi A4 1.8L MIL Lamp on VIN: WAULC68E22
Finally! We sure got good at lining up these cams...Thanks everyone who tried to help. And now the fix: Under the cam adjuster solenoid, in the cam adjuster, there is a spool valve which the solenoid acts upon. Under that spool should be a spring. Ours didn't ... Trouble codes: P0341 (cam shaft position sensor), P0340 (cam shaft incorrect allocation).
1988 Jaguar XJS 5.3L compressor clutch VIN: SAJNV5849J
thanks for all the replys guys - your help was greatly appreciated! - i ran a new power wire from the a/c relay directly to the compressor - checked pressures to avoid overheat/overpressure - the system operated normaly with just the ranco valve cycling the co...
1995 Mercedes-Benz S320 SWB 3.2L mode doors VIN: WDBGA32E5S
I haven't got the car back to finish the repair yet. Three people offered help directing me to the vacuum system. MBs default to defrost if system vacuum is lost. Now I need to find out why it won't maintain system vacuum when engine vacuum is lost. I still do...
1984 Porsche 930 3.2L hard hot start VIN: WP022293ZE
All I can say is wow, thanks for all the people that responded. I first tried the fuelpump check valve. It didn't work, so i pinched off the fuel return hose under the car near the tank and it stopped leaking down. I replaced the pressure valve in the fuel d...
2003 Saab 9-5 Linear 2.3L oil consumption VIN: YS3EB49E83
as always,thanks to everyone who took time out of their busy day to respond.i checked the pcv system all looked good,disconnected the vacuum pump line,still smoked,took the exhaust off of the turbo,it was dry as a bone,we had an identicle veh come in for a co...
1977 Triumph TR7 2.0L alternater VIN: ACW32116UA
oh thanks to all that replied.Also thanks to steve at wheeler automotive in Fl.After getting the diagrams from him i was able to trace the wires and found the brown wire with white stripe was green deathed and had an open to it.Fixed the wire and now charging ...
1977 Triumph TR7 2.0L alternater VIN: ACW32116UA
1997 Volkswagen Cabrio 2.0L Clutch pedal VIN: 3VWBA81E6B
Thank You all for the very good information. We got a lot of replys about the the arm on the back of the trans, but we had replaced this the first time we did the clutch. We double checked the pushrod and the bushing moving smoothly. The cable and pedal assemb...
1989 Volvo 244 DL 2.3L No Start VIN: YV1AX8844K
Hi and many thanks to all who replied. Christopher from Virginia, was right on mark. He suggested crank shaft sensor because of the hick up/kick back after cranking. I had rechecked all cam, crank and dist gears several times and had hoped they had not turned ...
1997 Volvo 850 2.4L oil pressure VIN: YV1LW5557V
Thanks for the response. We reassembled the engine (put the oil pan back on), although we never found a problem. The car does not have an auxillary oil cooler on the back of the oil pan, so the orings on the cooler could not be the problem. We put all new ...
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