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Prev Professional Automotive Repair Technical Discussions for March 14, 2013
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Help Request Answers
2008 Audi A4 Quattro Cabriolet 2.0L Tcc VIN: WAUDF48H78
The customer complaint the tach going up and down 200 RPM while maintaining constant speed, also feels slight bumping at same time. Did experience customer complaint. Drove the car w/VAG-COM connected, no fault codes. The TCC slippage was 95. After fluid chan...
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2008 Audi S5 4.2L Hesitation, Surge, Misfire VIN: WAURV78TX8
Hi guys, we have this 08 S5, can not find any info on this car so need some help here. It came in running a little rough at idle, at 2800 rpm, it would break up like it has a rev limiter. Noticed a lot of vacuum when taking off the oil fill cap, and high short...
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2004 Jaguar XJ8 4.2L temp. & fan activation VIN: SAJEA71C94
After the radiator replacement, the customerreturned to the shop to report that the elec. cooling fan is coming on when she had not heard it run before during normal driving in moderate temperature weather. The fan also runs after shut-off when she says it nev...
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2003 Land Rover Range Rover HSE 4.4L No Start VIN: SALME11433
Vehicle was towed in over night for NO CRANK/NO START. Cust says the key wouldn't turn in lock cylinder. Tow truck driver left interior lights on, battery was dead the next morning. Attempted to charge battery, wouldn't hold a charge. Replaced battery. Install...
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2004 Land Rover Discovery SE 4.6L Oil pressure VIN: SALTY19484
Tapping noise coming from left bank of engine, more to the rear and not necessarily in the top end (rockers) area and is pretty audible under engine as well at idle speed. Noise starts within about 5 minutes after cold starting, oil pressure had dropped to abo...
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2006 Land Rover Range Rover Sport Supercharged 4.2L Wheel Speed Sensors VIN: SALSH23446
Hello All, This car came from a local used car dealer with the ABS,Air Suspension, HDC and Parking Brake warning lamps on.The ABS module had codes C1A91-62frt left wheel speed sensorsignal compare failure and C1A94-62 thr same code for the right frt. sensor.Th...
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2003 Porsche 911 Carrera 3.6L engine VIN: WP0AA29983
Greeting fellow technicians. Customer came in shorty after an oil change about 4 months ago with a check engine light almost directly after an oil change. We had put in 5w40 sythetic, and realized it should have been 0w40. So first thing we did was changed the...
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1996 Volkswagen Passat TDI 1.9L Stall VIN: WVWHG83ACT
Vw TDI guru's. This engine shuts down when you accelerate it. When this happens, it is like the fuel shuts off.., goes into a Hard miss & dies. Semi hard to restart, starts better if given 1/2 throttle. Any Ideas ? Trouble codes: 00539 (fuel temp sensor g81), 00312 (Cat temp sensor 2), 00310 (Cat temp sensor 1)
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2003 Volkswagen Jetta TDI 1.9L No Start VIN: 3VWSP29M83
This is my neighbors car. It is well maintained and not abused. No drivability issues. She parked it at work and her husband went to start it and it wouldn't catch at all.I had a quick look and saw It wasn't getting fuel at the injectors so I put a filter on i...
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2004 Volkswagen Touareg V8 4.2L battery VIN: WVGCM67L94
Hey everyone, thanks for the help a head of time. I am trying to find the allowable parasitic drain for this vehicle. I was always taught .030 amp was the max, but have heard on a lot of these newer cars with all the gadgets etc it is more. When performing dra...
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2000 Volvo V40 1.9L MIL Lamp on VIN: YV1VW2550Y
Okay, this car got a timing belt replacement a few months ago, the tech that did it asked for the cam holding tool, but had to do without it. As a result, vehicle keeps pulling cam timing codes. We got the tool finally, and have used it on several other t-belt...
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Fixes & Summaries for European
Fix/Summary Answers
2009 Audi A8 Quattro L 4.2L Control Module Resets VIN: WAUMV94E59
I WANT TO THANK EVERY FOR THERE HELP, SO HERE IT GOES. DID A VOLTAGE DROP TEST ON THE GROUND SIDE FOR THE TRANS MODULE-TEST GOOD LESS THEN .10V WHEN THE PROBLEM WOULD OCCUR. CHECK THE BATTERY WITH MY SCOPE, BATTERY WOULD NOT DROP BELOW 10.3 VOLTS, TRIED IT...
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2006 BMW 760Li 6.0L long crank VIN: WBAHN03576
Thanks to all who replied. With such a high estimate to repair this long crank start problem we wanted to prove the high pressure pumps were the problem before proceeding with the repair. Roger's idea about blocking the vent ports for verification proved the p... Trouble codes: 276D.
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2003 Mercedes-Benz S600 5.5L trunk release and door locks VIN: WDBNG76J93
I could hear the pneumatic pump trying to activate in the trunk. Took the unit out and found a burnt spot in the house where the plastic melted on too the motor also found some wiring inside the unit that was corroded and sheathing melted. presuming my thought...
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1996 Volkswagen Jetta GLS 2.0L Poor Fuel Economy, MIL Lamp on VIN: 3VWSA81H0T
I found that the main engine connector at the side of the block had oil in it. I cleaned up the connector and terminals and the code finally clears and doesn't reset. Trouble codes: P0341 (Cam signal implausible).
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2006 Volkswagen Jetta TDI 1.9L Wipers VIN: 3VWDT71K26
The problem turned out to be the lin wire from wiper motor to vehicle electronics module. During my testing i did not notice wave form was garbled there was a signal but either not strong enough or missing some of the signal wire was almopst broke somewhere in...
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