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Prev Professional Automotive Repair Technical Discussions for December 12, 2009
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Open Help Requests for European
Help Request Answers
1997 BMW 528i 2.8L no spark VIN: WBADD6322V
Hello BMW Techs We are going bananas with this car, intermittently will have no spark, when you crank the first time, but will have injector pulse (noid light on) and if you crank again will start, although at times you have to crank at least 5 to 6 times befo...
2008 BMW 335i 3.0L Poor Idle Quality, Misfire, MIL Lamp on, WHITE SMOKE, COLD VIN: WBAWB73528
Customer cals with "serious check engine light and car running rough and smoking". I scan and find all these lean and misfire codes, engine in safe mode(restricted boost I think)retrieve freeze frame data and clear codes. Start car, idles smooth, no smoke. Cus... Trouble codes: P171, P174, P0301 (cyl 1 misfire), P0302 (cyl 2 misfire), P0303 (cyl 3 misfire), P0300 (random misfire)
1994 Mercedes-Benz E320 3.2L Unknown VIN: WBADKIR547
Ok Benz masters... this one has me scratching my head... 1994 Benz has a blower problem... The blower actually seems to have a mind of its own and come on at any time it wants.. I thought I had a faulty blower regulator, so we replaced that first, No Dice... S...
2001 Volkswagen Passat GLS 1.8L pick up tube VIN: WVWPD63B11
Original request from customer was for a motorvac cleaning to try to revive a catalytic converter and get rid of P0420. He mentioned when he got the car here that the oil light comes on intermittently and he had replaced the sending unit. When he bought the se...
1998 Volvo S70 2.4L Stall, MIL Lamp on VIN: YV1LS5538W
Vehicle came back with complaints of low power output, hard restart after stall, customer was aware that suspect MAF could be verified with disconnect of MAF to put into fail safe mode, so additional p0103 was induced. I restored the connector and cleared code... Trouble codes: P0103 (maf high)

Fixes & Summaries for European
Fix/Summary Answers
1984 Mercedes-Benz 500SEC 5.0L Poor Idle Quality, Hesitation, Stall VIN: WDBCA44B4E
Ok, after a week of me pulling my hair out this vehicle is finally fixed. The technician that originally worked on the vehicle repaired multiple vaccum leak which helped slightly but definitely did not resolve the problems this vehicle was having. After chec...
1985 Mercedes-Benz 500SEL 5.0L Air Pump/Alternator VIN: WDB1260371
I want to thank everybody that did took their time, as many of You stated this Mercedes Benz was a Gray market car, all the lambda system including Air Pump it was adapted & fabricated in a very chip way, and Yes the US model use a different belt for alternato...
1992 Mercedes-Benz 300D 2.5 2.5L Excessive Emissions, Misfire VIN: WDBE345T6N
I guess this was just a strange coincedence with the resealing of the pump, but the head gasket was split in cylinder 1... wow...
1994 Volvo 940 2.3L Excessive Emissions, MIL Lamp on VIN: YV1JW8313R
The customer doesn't want to spend any more money. Both fuel pumps were replaced, the in tank pump didn/t work at all. The maf sensor was also replaced.No more codes for lean mixture. The vehicle is still running on the lean side 15.5. The pre cat Nox is 1000p... Trouble codes: 231.
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