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Prev Professional Automotive Repair Technical Discussions for August 4, 2014
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Open Help Requests for European
Help Request Answers
2008 Audi S5 4.2L Poor Idle Quality, Surge, Cuts out, Misfire, MIL Lamp on VIN: WAURV78T08
This audi came in for stalling and running rough. Found that in tank pump was being duty cycled at over 72% , replaced and brought it down to 59-60%. Same poor drivability stumbling snd rough idle. Found that fuel trims in datablock 107 are pinned at 25% both ... Trouble codes: P310B
2008 BMW X3 3.0i 3.0L Starting
This is a X3 2007 2.5SI, last set of chassis number is WG60790, switch on ignition and start the engine without engage gear, instrument cluster light on which is 4x4, ! , ABS, Airbag. try to get icom connect with this car system and failed, unable to commun...
1973 Mercedes-Benz 450SE 4.5L No Start VIN: 1160321200
No start condition. No pulse to injectors. Have swapped computer, trigger points, distributor, and relays from know operational car on our lot. Have power and signal to computer, but no output from computer. Have tried a reman computer from programma, no chang...
1996 Mercedes-Benz C280 2.8L MIL Lamp on VIN: WDBHA28E0T
We just replaced head gasket on this vehicle and now we have this code. Cams were timed with crank at tdc #1 cyl, pins in 4mm holes on rear of cam sprockets. Looked dead on. Installing the actuator, was directed to install slightly counter-clockwise. Appeared ... Trouble codes: P1341
2005 Mercedes-Benz C230 Kompressor 1.8L No3 CYLINDER VIN: WDC2030462
Dear Merc Tech's, this vehicle came in with a misfire Cylinder No3. We have good compression, spark and fuel, have done a valve seating test(no leak found), a visual inspection under the rocker cover. When you start the vehicle the engine runs fine then develo...

Fixes & Summaries for European
Fix/Summary Answers
1996 Jaguar Vanden Plas 4.0L Poor Idle Quality, MIL Lamp on VIN: SAJKX6240T
The idle was fixed by setting it with a factory scan tool. The communication issue was resolved by unplugging the driver's seat. Not sure if it was the seat module under the seat or the something in the driver's door module like the memory functions. Car idles...
2000 Jaguar XK8 4.0L right bank 1-4 cyls VIN: SAJJA42C0Y
Thanks to all who replied and they were spot on, broken tensioner rail on right side of engine, customer declined the repair to fix it himself.
2006 Mercedes-Benz S65 AMG 6.0L Misfire VIN: WDBNG79J16
thanks for all the replies. Replaced right ign. coil assm and car is fixed until the left side goes out. here are some of the replies. 1)Coils are very common. Make you sure you have the updated Part number. I usually sell both coil packs,igniter & all plugs... Trouble codes: P0306.
2009 Saab 9-5 2.3t 2.3L Radio VIN: YS3ED49GX9
At this point I haven't fixed this car. I did get the car back and tried unplugging both the Onstar & satellite radio modules, both are on the same BUS as the radio head and still couldn't command divorce or marriage. I did borrow a 2008 9.5 from another cust...
2011 Volkswagen Jetta 2.0L Air Bag VIN: 3VW2K7AJ3B
Thank you all for the input, and the 2 that e-mailed me back. FYI, the module DOES come seperate from the membrane/mat for this vehicle. We ordered the mat, and I was expecting it to come with a new module, but it DOES NOT. Our VW dealer said they only sell th...
1994 Volvo 940 2.3L Surge, MIL Lamp on VIN: YV1JS8313R
Well I believe this one is all set. I replaced the MAF with a reman. unit from Volvo and it took care of the problem. I have put about 15 miles on with no check engine light. I was not able to scope the output signal as Chris and Barney suggested, but the vo... Trouble codes: 231 (Adaptive fuel trim too lean or rich in part load range), 221 (Adaptive fuel trim too lean in part load range), 113 (Fuel trim too lean/rich).
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