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Prev Professional Automotive Repair Technical Discussions for April 9, 2015
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Open Help Requests for European
Help Request Answers
2007 Audi A6 Quattro 3.2L No Start VIN: WAUDH74F37
Car will start and run fine. If it is shut off and we try to restart the car it will crank but not fire. tachometer shows signals, fuel pressure is good. Engine light is not on, but codes are in system. If you leave car for 10 minutes it will start up again an... Trouble codes: P0562 (System Voltage to Low - Intermittent), P0687 (ECM Power Relay Control Circuit), 00955 (Key 1 - Lower Limit Exceeded - Intermittent), 02031 (Switch for Steering Column Adjustment), 02272 (Quiescent Current Stage 1)
2000 Mercedes-Benz ML320 3.2L MIL Lamp on VIN: 4JGAB54E6Y
This ML just started having an issue where the engine will start to miss and the mil will come on. I can shut the engine off and restart and it will run great until the next time. There does not seem to be a time factor. It has very good power and runs smooth ... Trouble codes: 300 (Random misfire), 302 (Misfire cyl 2), 304 (Misfire cyl 4)
2000 Mercedes-Benz S500 Guard 5.0L Electronic Suspension VIN: WDBNG75J4Y
Need help from MB techs! Vehicle came in with airmatic inoperative. Hooked up to scan tool found front left sensor malfunction. Jacked vehicle up with floor jack (car is way too low to turn and drive into the shop on a lift) found front left sensor harness bro...
2005 Mercedes-Benz E500 5.0L egr VIN: WDBUF70J65
Any help from MB techs will be helpful. Throws p0400 fault code. Tested egr valve, holds vacuum. There's supposed to be intake manifold pressure sensor that controls egr flow but I can't locate it. Thanks in advance.
2003 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSE69M33
This VW came in with check engine light on and complaint of noisy engine.It had a P0011 for intake cam over advanced and a PO328 for knock sensor1,also PO333 for knock sensor 2.The engine sounded noisy under the valve cover at idle.The oil light never came on.... Trouble codes: P0012 (Intake cam over retarded), P0328, P0333, P1325 (knock control cyl 1), P1327 (knock control cyl 3)

Fixes & Summaries for European
Fix/Summary Answers
2005 Audi Allroad Quattro 2.7L gearbox
Hello All,thanks for that reply,unfortunately is is a mechanical problem rather than diagnostic,these vehicles are rare and very expensive to repair so the customer decided to remove the vehicle. Thanks.
2010 Mercedes-Benz GL550 5.5L power steering VIN: 4JGBF8GEXA
The problem was a binding lower ujoint on the steering shaft where it connects to the steering gear. Disconnected the shaft from the gear, used external lube and worked the joint to full movement at all angles to free it up. Reinstalled and power steering is w...
2005 Volvo V70 R 2.5L Brake lights VIN: YV1SJ52775
A very big thank you to Brian [...] who explained how this works. The CEM does transmit the brake light signal to the REM. The output is pin A15 at the CEM which had no power on it with the brake pedal depressed. Since this is a vehicle I'll be driving...
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