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Prev Professional Automotive Repair Technical Discussions for October 22, 2004
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Open Help Requests for European
Help Request Answers
1998 BMW 323is 2.5L MIL Lamp on VIN: WBABF8323W
Hello, techs This car came in w/ check engine light( po335) and hard start complaint. When you crank the engine it starts harsh like the timing belt is couple of teeth off, then it works fine. My explanation: when ECM does not see crank signal, it starts the e... Trouble codes: P0335 (Crankshaft position sensor)
2003 BMW Z4 3.0i 3.0L wiring harness VIN: 4USBT53473
This car was attacked by rat...ate up the engine wiring harness where it enters firewall and goes under carpet... problem is removing the carpet..its a molded hardened type where one has to removes both consoles, seats, and miscellenia...problem is that I STI...
1995 Land Rover Range Rover County Classic 3.9L BeCM won't sleep VIN: SALPV124XS
We have a parasetic draw over 400ma, have lost operation of sun roof and radio, dash and console illumination lights flicker on and off quickly and parking lights come on all by themselves. There's more to this, but the timer times me out before I can get it ...
1991 Mercedes-Benz 420SEL 4.2L Excessive Emissions, Poor Idle Quality, Flooding VIN: WDBCA35EXM
Greetings to all ! This very clean , only driven in town 420 SEL has been a pain. Started out as a simple valve stem seal replacement job... After replacing seals , the engine had a misfire on cylinder #2. Ignition system worked fine , plugs dirty , replaced p...
1993 Mercedes-Benz 600SL 6.0L Poor Idle Quality VIN: WDBFA76E3P
Right bank shuts off intermittantly. the only code that returns consistantly is 07 in D.M. snapping the throttle while the car is in park will sometimes cause the right bank to turn on and run normally until the right bank shuts off. The engine has an erratic ... Trouble codes: 007 (ignition system DI1)
1996 Porsche 911 Carrera 3.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: WPOAA2999T
The problem I am having with this beast involves idle quality and eng lamp illumination due to misfire codes that are emissions related (cat damage). The codes will only set if the vehicle is driven. And upon the test drive a misfire is not evident, until you ... Trouble codes: 62 (Misfire random), 50 (cyl 1 misfire), 51 (cyl 2 misfire), 52, 53 (cyl 3 and 4), 54 (cyl 5 misfire), 55 (cyl 6 misfire)
1998 Porsche Boxster 2.5L poor cold start VIN: WPOCA2988W
This car arrived with MIL light illuminated and complaint of poor cold starting (engine starts, but stalls 2-3 times and has low and rough idle). 2 stored fault codes, one for pre-cat o2 sensor 4-6 cylinder bank and one for aux. air injection. A known common p...
1995 Volkswagen EuroVan Camper 2.4L Timing Belt VIN: WV2KG0703S
Hi Group This nightmare just won't go away. I am having trouble with the timing belt adjustment. It is supposed to be adjusted by the waterpump mounting bolts, but I have it backed all the way off and it seams too tight. I am using a 074-109-119R belt. If I u...
2001 Volvo V70 2.4L MIL Lamp on VIN: YV15W61N11
Hello Volvo Folks: We had to replace the PCV box on above vehicle for the now familiar squeeling PCV valve. Job went smoothly, but the air leak code keeps coming back. Idle is normal. Our tests indicate the ecm is adding fuel off idle, especially on slight ac...

Fixes & Summaries for European
Fix/Summary Answers
1998 Audi A4 Avant 1.8L Three MIL lights VIN: WAUBB28DXW
Out of the replies received, most indicated that a defective ABS controller would take the CAN network out and not supply any data to the scan tool (In my instance, a Snap On Modis). They were exactly right. We replaced the ABS controller (for $2k-ouch) and no...
2000 Audi A4 1.8L air bag VIN: WAUDC68D2Y
The car is still not fixed we tried some of the suggestions but we could not come to a final solutions. we beleive that the problem is in the wires or the conector under the seat. Thanks to all that replied.
1986 BMW 735i 3.5L no reverse or neutral VIN: WBAFH840XG
once again you have come to the rescue. 2 replies were electronic in nature. circuit board and transmission controller. no cigar on these, although they were real possibilities. the real problem was dealt with by the other three replies. the forward clutches h...
1998 BMW 740iL 4.4L Poor Idle Quality, MIL Lamp on VIN: WBAGJ832XW
Thanks to all who replied. after about an hour of inspection we found the throttle body gasket was the cause. With all of the replies we also replaced the intake and the pcv plate as well, reset the adaptation test drove with much better numbers at idle. Thank... Trouble codes: 27 (Additive mixture adaptation idle bank2 control limit reached), 35 (testing and results).
1985 Mercedes-Benz 380SL 3.8L Excessive Emissions, Idles too high VIN: WDB1070451
Hello, I want to thank all of you that contributed your time, especially Brian [...] who supplied schematics. The power from the over voltage relay was not reaching idle control unit. Found a connector near the fuse / relay panel in the right kick panel that ...
1992 Volvo 740 2.3L Lighting VIN: YV1F58815N
Many of you mentioned that I need to make sure all the bulbs are nickel and are the same make and wattage. I followed through on this. Replies came to check the grounds, check for melted bulb holders, replace connectors, clean connections and sockets, remove b...
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