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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 21, 2005
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Open Help Requests for European
Help Request Answers
1986 Jaguar XJ6 4.2L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: SAJAV1346G
Problem started when the vehicle stopped running along the Pa. turnpike after driving about 70 miles with no problem. The customer said it lost power and the tachometer would bounce up and down. When it finally did quit altogether he said he thought it was on ...
1994 Mercedes-Benz E320 3.2L Poor Idle Quality, Surge, Cuts out, Misfire VIN: WDBEA32EOS
This car was brought in for a running issue. The car was run nearly out of fuel, the tank was filled and driven for a short time with no concerns. After starting the car later in the day, the car exhibited poor idle and has continued to idle rough with the eng...

Fixes & Summaries for European
Fix/Summary Answers
2000 Audi TT 1.8L Quits running VIN: TRUUC28N5Y
found that someone had installed a satlite radio and while tring to find a hot feed for the radio bared wiring to fuel pump circuit was shorting behind fuse panel..
1988 Mercedes-Benz 560SEL 5.6L No Start, Stall VIN: WDBCA39D5J
The car now starts and stays running. Thank you to the 11 technicians who took time to reply to my request. Everyone who replied stressed the importance of a proper fuel pressure test because it is crucial for the operation of this mechanical injection. As it ...
1996 Mercedes-Benz S420 4.2L MIL Lamp on VIN: WDBGA43E6T
Thank you to everyone that replied the help I requested. I recommended R/R engine head to clean out carbon inside, the owner declined the repair. Thanks all. Trouble codes: P0410 (secondary air injection system malfuntion).
1998 Volkswagen Jetta GLX 2.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 3VWTD31H1W
Thanks for all your input. I was able to reset the throttle body without a scan tool. Simply run engine until it reaches operating temp., then unplug ECU for five min., start, allow idle to stablize and drive car at cruise speed for a few miles. Car runs great... Trouble codes: P1580 (Throttle actuator B1 malfuncution), P0103 (mass air flow circuit high).
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