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Prev Professional Automotive Repair Technical Discussions for February 16, 2011
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Open Help Requests for European
Help Request Answers
2007 BMW 750i 4.8L Oil Pump VIN: WBAHN83537
Covered all areas that could make noise, removed all drive belts, checked transmission for noise. When engine is started cold the engine makes a buzzing sound at the oil filter housing. Could almost sound like power steering pump when it has air in it. We foun...
2007 Mercedes-Benz C230 Sport 2.5L No Start VIN: WDBRF52H67
Seems to be a crank sensor faulty, replaced crank sensor, but vehicle fails to start. Checked input refrence voltage to crank sensor 5v. Ground ok output signal from sensor ok. Also no power to the fuel pump at all. Checked all fuses, relays, power and ground ... Trouble codes: P0336 (Tooth space on sensor rotor temporarily not detected or wireing error p0336)
2008 Mini Cooper S 1.6L Timing chain guides VIN: WMWMF73558
That Mini Cooper has a broken timing chain guide (on exhaust side, not the one with the tensioner). Most likely I need to replace the tensioner. But my question is: Can I remove the bearing bolts which hold that guide in place without removing the engine? It ...
2004 Porsche Cayenne S 4.5L throttle valve VIN: WP1AB29P85
morning everybody. just wondering if i could get a little info on a cayenne s from the porsche gurus out there. have 1 in for a water pump replacement.the procedures say to dis-connect throttle valve. my question is if i do this will it have to be reprogramed....
1997 Saab 900 SE Turbo 2.0L ABS warning light VIN: YS3DF58N0V
Sorry for the long post, but its a long story. This one started over a year ago. Customer complained that "all the dash lights flash on and then go off". I could not reproduce the problem but it sounded like an ignition switch so I put it in. Two weeks later s...
1998 Volkswagen Beetle 2.0L Timing VIN: 3VWBB61C9W
Customer brought this car in 2 days ago asking that I install a water pump she had purchased elsewhere (plain brown box). After installing the water pump, I double checked the timing belt installation by rotating the crank 2 full turns and verifying the marks ...
2004 Volkswagen Jetta GL 2.0L MIL Lamp on VIN: 3VWRA69M34
Hello VW Techns. This vehicle got me pulling hair. We replaced sensor twice. All original part VW O.E.M. Code flags every three days after repair. This is a bbw engine 2.0l. No egr valve. The sensor we replace is the one that look like a pipe going into the ex... Trouble codes: P0544 (Exhaust gas temperature ensor circuit bank1 sensor1)
2005 Volkswagen Passat GL 1.8L Cuts out, Misfire VIN: WVWZZZ3CZ7
Dear all, After 40 minutes (especially if left engine running for 10 minutes at idle) the engine cuts and fuel pressure drops to only 2 bar and engine off (I look to block #106),no chance to run again inspite of fuel flow from low side (primary side - from the... Trouble codes: P1063 (Fault code 004195 Fuel Pressure Regulation Control Range not Reached.)
2000 Volvo V70 R AWD 2.3L MIL Lamp on VIN: YV1LV60D9Y
Hello Volvo techs! This car runs great. Only problem is the CEL comes on intermittently/ I had 10 different codes related to o2 sensors and cat malfunctions/ I clear the codes and drove 40miles with no codes on. We used VIDA to get o2 sensor read outs. On idl...
2004 Volvo XC90 2.5T 2.5L low beam headlamps VIN: YV1CM59HX4
have a 2004 Volvo XC90 here that the low beam headlamps are not working. this system is a NON-XENON system so it uses a high beam and a low beam bulb. i have verified that the bulbs and fuses are good and if i apply power on the load side of the relay the low...

Fixes & Summaries for European
Fix/Summary Answers
1999 Audi A6 Quattro 2.8L No Start VIN: WAUBA34BXX
It turned out to be the coolant temp sensor located in the coolant hose in the back of the intake manifold. When looking at the data it read 50 degrees colder than the actual temperature.
2008 Audi A5 Quattro 3.2L Misfire, MIL Lamp on VIN: WAURV78T38
Thanks to all who took the time to help. a few of the replys were right on track. problem was due to high carbon deposits on Valves Audi sells an fuel aditive to De Carbonize the motor after Two Seperate Treatments and about 150 miles Problem Solved. Thanks Ag... Trouble codes: 00768 (Random mutiple cly missfire P0300 upper limit reached), 00771 (Cyl 3 missfire P0303 upper limit reached intermitant), 04874 (Cylinder dissabbling P0130A upper limit reached).
2004 BMW 525i 2.5L active steering VIN: WBANA53594
thanks to mike and scott for their help. What i have discovered after talking to the tech support people who make the vedis scanner i am using is that this scanner does not support the neccessary functions required to perform the active steering initializatio...
2004 BMW 325i 2.5L MIL Lamp on VIN: WBAEV334X4
Replaced intake camshaft sensor, checked VANOS piston, ok. Car gone a week. Cust called today after 500 miles everything ok. Trouble codes: P1338 (Inlet camshaft signal phase position), 2768 (BMW code Inlet camshaft signal phase), 3C1E.
1991 Mercedes-Benz 350SDL 3.4L Heat VIN: WDBCB535D9
thank you IATN guys!!! saved my butt. The mono valve diaphram was not torn. but was inop.. the aux pump it is attached to was leaking and also weak. installed new ones and test drove. had heat at idle and after test drive when it is very cold outside.. so...
2006 Saab 9-3 Aero 2.8L Rear brakes VIN: YS3FH51U26
Thank you to everybody who replied! We were able to eventually duplicate the noise, which sounded more like a "creak" than anything, under moderate braking pressure from about 25 mph. Gotta love it. The pads that were on the car were not OEM pads, and the c...
2002 Volkswagen Beetle GLX 1.8L electric windows VIN: 3VWCB21C92
Thank you all for your responses. All five responses were on track. The wireing harness rubber sleeves in the driver's door jam was out of place but there was no wire damage at this time. As expected this was a communication problem between the comfort control...
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