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Prev Professional Automotive Repair Technical Discussions for March 30, 2007
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Open Help Requests for European
Help Request Answers
1998 Audi A8 Quattro 4.2L No Start VIN: WAUBG34D3W
Vehicle cranks but will not start. Injector pulse present. Ignition pulse not-present No codes Fuel pressure tested and correct Input signals present (crank, cam) Will start sometimes (not often) Battery meets specifications
1989 BMW 735iL 3.5L Unknown VIN: WBAGC4315K
help bmw techs! we have this 735il in use as a customer shuttle car and it has developed the following issues that may or may not be related. the vehicle will intermittently seem like its starting out in 2nd gear when cold- it also runs rough/ seems to misfire...
1996 BMW 740iL 4.4L engine VIN: WBAGJ8326T
I replaced both heads and when I reassembled the motor I had put paint marks on all the cams and the cam sensor gear on the right bank. When I went to start the car it would not start until I disconnected the cam sensor, with the cam sensor disconnected the c...
2000 BMW M5 5.0L engine code VIN: WBSDE9345Y
I have a BMW M5 brought to us with P0491 secondary air injection system b1 code, the injection pump is working correctly, we checked for vacuum leaks and faulty connections, there isnt any diagnostic flow chart available to continue with, BMW is of no help, th...
2002 Mercedes-Benz CL500 5.0L abc system VIN: WDBPJ756A2
greetings m/b fellows this cl 5 has abc system you can adjust this by activevating the control switch in dash and system does funtion up and down , but the right rear stays down, the right rear shock has no visable oil leaks and i dont have very much info on t...
2002 Mercedes-Benz ML320 3.2L Misfire, MIL Lamp on VIN: 4JGAB54E52
Hey fellow techs, this ML came in running poorly with check engine light on. He was in a hurry to get car back same day. We scanned codes showing misfire on sixth cyl. recommended service first which we did, plugs, fuel and air filter. He came back the next da...
1999 Volkswagen Jetta GLS 2.8L Mechanical VIN: 3VWSE29M4X
normally I don't do this, but this is for another tech. He's working on a 99 jetta vr6 at the house. There are some coolant hoses behind the air pump that are leaking that he can't get to. The question is what is the best way to get the air pump out. Both of u...
2000 Volkswagen Jetta GLS 2.0L MIL Lamp on VIN: 3VWSA29M5Y
simple mil diag. find a code p0340,a lousy cmp pattern and a loose belt (that is said to have only 20k on it)Piece of cake right? buttoned up in record time...but still an instant and constant p0340 for cam sensor signal inplausable. Sensor tests nice and squa... Trouble codes: P0340

Fixes & Summaries for European
Fix/Summary Answers
1990 Audi 90 2.3L Poor Idle Quality, Surge, Stall
the vehicle is fixed although I am not completely happy with the repair. the injector upper seals (there are 2 on the top side) were bad. 2 of 5 were missing and the other 3 were in poor shape. i replaced them and readjusted everything and now it starts and id...
2000 Audi A8 Quattro 4.2L no forward VIN: WAUFL54D2Y
Thanks to all - received all good information/replys - mostly knowing to disconnect controller to check for full pressure to forward pointed me in the right direction - resulting in having to replace the trans. (used ZF reman) - all better now.. Thanks again
2001 Audi A4 Quattro Avant 1.8L heater control valve VIN: WAUKC68D61
Thank you all who replied. It appears the heater core clogging up on many of these vehicles is common. Many repplies noted several attempts at flushing the core to resolve the problem. The boss pulled out an old remedy and filled the heater core with Draino ov...
1999 Mercedes-Benz C230 Kompressor 2.3L Misfire VIN: WDBHA24G6X
well people sorry for the late response but i have been awaiting the customers response and so far so good. the complete tune up seems to have cured the problem. so the basics did it again. thanks to everyone who replied regarding the pcm shutting off the inje... Trouble codes: P0302 (misfire 2 cyl), P0304 (misfire 4cyl), P0300 (random misfire).
1998 Volkswagen Beetle 2.0L MIL Lamp on VIN: 3VWBB61C9W
hello friends, 13 replies and all are the same, faulty mass air flow sensor troubles. car has been driven for more than 2 weeks and no reoccuring troubles. thanks for your time. Trouble codes: P1128, P0172.
2003 Volkswagen Jetta TDI 1.9L alttinater VIN: 3VWSP69M12
replaced ecm and thanks to most of the responses. and this is to be a help section. all i ask was for the load on a wire that turned on the alt. not someone saying a smart response as to check alt first. all but one gave very good help even though i already ch...
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