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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 7, 2007
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Open Help Requests for European
Help Request Answers
1995 BMW 540i 4.0L Poor Idle Quality VIN: WBAHE6324S
Vehicle has an engine miss at idle only. we can here what sounds like a vacuum leak under the plastic intake plenum but cant verify it. We looked for TSB's on the problem but none were found. I guess what we wanted to know is if these are known for intake gask...
2002 Mercedes-Benz S600 5.8L p/s abc pump VIN: WDB2201781
Hi mercedes tech's , this car(M137) have a noise problem.when engine rpm between idle to 1700 can hear noise in car ,like w211 m112 engine belt idle pully bearing bed or a/c compressor belt pully bearing bed noise .I was check belt idle pully,alternator,water ...
1991 Volvo 940 T 2.3L MIL Lamp on VIN: YV1JA8748M
This is my second help request for this vehicle. We thought we had it fixed so I closed the first one. This vehicle has a recurring CEL lamp with code 131 and 312 set in fuel ecu. Code can take several days of driving to set. We've performed all tests accord... Trouble codes: 312 (Knock signal missing), 131 (Ignition RPM signal missing)

Fixes & Summaries for European
Fix/Summary Answers
1996 Mercedes-Benz E320 3.2L Mechanical VIN: WDBJF55F1T
Replaced cam adjuster has solved the problem. Perhaps the machine resurface of the head brought the valves closer to the pistons. (but the head thickness was within spec.) Maybe the old adjuster worn out just enough to allow few more degree of advance to cause...
1987 Porsche 944 2.5L No Start, Stall
No DTC Info According to post by members, there is no dtc info for this model for the DME. DME/ECU The ECU is built into the DME under the passenger side floor pan. Users suggested checking the DME relay which tested good. Others suggested a bad DME, bad...
2002 Volkswagen Passat GLS 1.8L MIL Lamp on VIN: WVWVD63B52
Some of the replies mentioned after an market radio causing a ground (k-line) but as stated the radio in this VW was a factory unit. A few other replies suggested a bad ABS module as the failure rate is high on these units. The fix was, as Stephen from Califor... Trouble codes: 1624 (MIL request), 1626 (Data bus missing message from trans), 1636 (Implausible message air bag to PCM), 1649 (Data bus message missing from ABS), 1650 (Data bus message missing from Inst Panel).
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