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Prev Professional Automotive Repair Technical Discussions for February 7, 2014
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Open Help Requests for European
Help Request Answers
2007 Audi Q7 Premium 3.6L no cranking VIN: WA1BY74L67
hello tech car came in the shop on the hook and it wont start or crank and key wont come out inspected all the fuses and it was good inspected furthe for test found a power supply relay test , inspected the power supply relay has the two red wires with a 12v p...
1998 Mercedes-Benz S320 SWB 3.2L Misfire VIN: WDBGA33G3W
This car idles fine but as soon as you accelerate at all the misfire counter on cylinder 3 and 4 exceeds the limit and turns off the injectors on those two cylinders. The misfire recognition on the SDS show zero on the other cylinders and #s 3 and 4 hang aroun... Trouble codes: P0300 (Multiple cylinder misfire), P0303 (Cylinder 3 misfire), P0304 (Cylinder 4 misfire)
2003 Mercedes-Benz SLK230 Kompressor 2.3L No Start VIN: WDBKK49F63
Vehicle towed in no start no crank, message on IC 'start error'. Inspected K40 module internally- no visual problems. Inspected pulse module internally- no visual problems. Tested all powers and grounds to both modules all ok including start signal from ign sw... Trouble codes: P202C
2005 Mercedes-Benz S500 5.0L Battery VIN: WDBNG75J15
This vehicle came in after a few other shops failed . After a couple day cold soak the battery will be to low to start the vehicle . The charging system is perfectly normal . I isolated the alternator in case there was some kind of draw from it but still had 1...
1980 Porsche 911 SC 3.0L Hot start
HI all, Ok, I have this 1980 Porsche which came in for bad starting when hot. I believe the problem is with the fuel pump circuit. I have researched how the pump and relay works and it seems that the pump should only run while the engine is cranking, and then ...
2010 Porsche Panamera S 4.8L horn VIN: WP0AB2A70A
ok need help with this one , car came in with concern of horn not working , checked for voltage supply to horns and does not have any power, checked horn fuse and all fuses in drivers side inst panel and in luggage compartment all tested good. I removed both h...
2001 Volkswagen Cabrio GLX 2.0L MIL Lamp on VIN: 3VWDC21V61
Came in with MIL and code 16486 (mass or volume air flow ciruit low input). Found MAF connector broken and terminals loose inside connector, tested mass air flow sensor acording to ALLDATA, lead us to replace MAF, also replaced connector and pins with VW parts... Trouble codes: 16487 (mass or volume air flow circuit high input)
2006 Volkswagen Touareg 3.2L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: WVGZG77L66
Vehicle was drove in and dropped off for poor running, stall and mil on. Notice "related repair history". Vehicle would not start when brought in. Suspected fouled plugs. Have experience with vw and have the VCDS for them. But do not have much experience with ... Trouble codes: P0300, P0301, P0302, P0303, P0304, P0305
2010 Volkswagen Jetta TDI 2.0L No Start VIN: 3VWPL7AJ5A
I had this car towed in from another shop they were at a dead end with this car. No very familiar with the Common rail diesels Customer says that while driving on freeway the car just turned off like the key was turned off. First thought was a injection pump...
2004 Volvo XC90 T6 2.9L Timing belt/cams VIN: YV1CZ91H34
We attacked the misfires with new NGK plugs and bosch coils. Misfire gone..oops, timing belt very cracked and obviously original. It gets exposed when you do the coils/plugs. Emailed customer with new/updated work order with the timing belt and water pump rep...

Fixes & Summaries for European
Fix/Summary Answers
2007 Audi A6 3.2L Lighting VIN: WAUBH74F17
Thanks guys! Another case of over thinking the problem. We did check the control modules. Turns out it was just the bulbs like a couple of you said. Jeff
2004 BMW 545i 4.4L Oil Pump VIN: WBANB33574
This one is tricky but I found the problem: This BMW has a "low oil pressure" warning message even with a new oil pressure switch. That's the reason why I decided to check the oil pressure with an oil gauge. The oil gauge is connected to the oil pressure switc...
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