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Prev Professional Automotive Repair Technical Discussions for January 9, 2013
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Help Request Answers
2001 Audi A6 Quattro 2.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAUED54B81
Eng lt flashing, rough idle and misfire on accell. Codes regarding lh bank misfires and cam phaser. Upon visual inspection, a person has attempted to replace the timing belt. After some consideration, i decided to pull the front cover off the engine and check ... Trouble codes: P0304, P0305, P0306, P0346
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2001 Audi A6 Quattro 2.8L Misfire VIN: WAUEH64BX1
Have this 2001 Audi A6 2.8 with misfire codes. (see list) appears to be the drivers bank of cylinder. checked fuel pressure. (70 psi) checked camshaft position sensor (ok) hear slight popping in intake at idle. no engine noise from chain tensioner. checked cam... Trouble codes: P1347, P0300, P0304, P0306, P0305
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2004 Audi A8 Quattro L 4.2L gauges and lights VIN: WAUML44E74
Vehicle came in for seals and hose replacement at the engine oil cooler. We also noticed that the battery was low and upon testing failed a load test. Replaced the battery and now have a nightmare. The instrument cluster will not light up and the gauges are de...
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2007 Audi S4 Avant 4.2L Misfire VIN: WAUUL78E77
This car has a constant misfire on cylinders 4 and 8, these are the most rearward cylinders in this 4.2 V8, both ignition coils and spark plugs have been changed on these cylinders, the compression is good on both, it is a dead misfire all the time, I feel tha...
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1999 BMW 750iL 5.4L MIL Lamp on VIN: WBAGJ0337X
I don't do many high-end European cars, so your help is appreciated if you know BMWs. This car is owned by the manager of the auto parts store where I buy most of my parts. His only complaint is that the "Service Engine Soon" light is always on. Someone told h... Trouble codes: P0308 (Cylinder 8 misfire detected), P1456 (Manufacturer controlled auxiliary emission controls), P1461 (Manufacturer controlled auxiliary emission controls)
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2003 BMW Z4 2.5i 2.5L SRS Light VIN: 4USBT33433
SRS Light on scanned for codes none in air bag system. Found fault in SIM 93E7 Undervoltage. Did some research found many similar problems pointing to seat occupancy sensor so replacxed sensor still light wont clear and code still exists.
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2006 BMW 750Li 4.8L engine VIN: WBAHN83546
Hi folks. I have this BMW with HUGE amounts of vacuum in the crankcase. It is using about a quart of oil every two weeks. I cannot discern how the pcv system works or if the two pressure regulators on the back of the intake are part of that system. BMW told th...
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2009 BMW 135i 3.0L Top VIN: WBAUN93529
Please tell me which is "#1 solenoid valve" and how can I determine the meaning of the right button flashing red.
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1983 Mercedes-Benz 380SEL 3.8L No Start VIN: WDBCA33A9D
hey to all old school mercedes techs out there. got this 380sel that don't want to start. has spark with new fuel pump. the issue is FLOODING. removed plugs, cleaned them squart some oil in the cylinders to bring compression up. put the plugs back still fouled...
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1986 Mercedes-Benz 560SL 5.6L heater VIN: WDBBA48D1G
Well this car had no heat, we tested the coolant and it was set at 50 below, we drained the system and replaced it with coolant that tests 25 below, and we also replaced the stat with a factory stat, We are getting upper hose hot lower hose cold , both on the ...
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1999 Mercedes-Benz E430 4.3L Bas
Recieved vehicle for bas light coming on intermittent. Check all tire brakes on vehicle. Inspected all abs sensors and looked at data with das. Code c1025-003 keeps reappearing but will clear for a while. During light to mild acceleration seems to produce code...
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2007 Porsche Cayman 2.7L All Shifting Points VIN: WP0AA29807
I have an issue where the car will not shift in automatic mode at all. Shifts fine manually with the paddle shifters. It will automatically down shift by itself in manual or automatic mode. Live data shows target gear and actual gear the same. Instrument clust...
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2000 Saab 9-3 2.0L MIL Lamp on VIN: YS3DD35H3Y
First off, you Saab guys are great, helped me out a couple times and asking for 1 more. Did some valve work on this engine. Did not remove the intake or disconnect anything on the throttle body, just unbolted intake and pushed back a bit. After all together, a... Trouble codes: P1251, P1260
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2001 Volkswagen Jetta GL 2.0L Radiator Fans VIN: 3VWRT29M91
With KOEO or KOEO radiator fans run continuously on low speed regardless of engine temperature or position of AC control. With key off, fans continue to run for exactly 5 minutes and stop. If you interrupt the power to the fan module by either pulling one of t...
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2003 Volkswagen Passat GLS 1.8L Poor Idle Quality, Misfire VIN: WVWPD63B13
I have a turbo passat that runs great except at idle. There are also missfire codes stored for every cylinder. Acts just like a vacuum leak. I have checked all over for vacuum leaks and can not find any. I have smoke checked the intake and inner cooler system ... Trouble codes: P1297 (Pressure Drop between Turbo and Throttle Valve), P0300, P1128 (Fuel Trim Bank 1 Mult System too Lean), P1136 (Fuel Trim Bank 1 Add System too Lean)
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2006 Volkswagen Jetta TDI 1.9L 3rd & 6th gear VIN: 3VWST71K06
She said the Jetta neutrals in 3rd gear and 6th gear once in a while. She pulls over, and turns off the car and restarts it. It seems to be good after that. But it might happen 4 times in a row. Our local trans shop does not overhaul this transmission. We coul...
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2004 Volvo S40 T5 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: YV1MS68204
vehicle originally came in with check engine light on and misfire scan for codes volvo codes were ECM 3503 misfire,ECM 3523 misfire cyl 2, ECM 6814 turbocharger (TC) control. replaced turbo contrl solenoied, smoke tested for vacuum leaks "ok", replaced all plu...
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Fixes & Summaries for European
Fix/Summary Answers
2007 Audi A6 Quattro 3.2L Mm1 VIN: WAUKH74F97
Hello To All, found with the bypassing the J525 sound module(amp) that the system works. The module is on order so it's best to just close this post. Thanks again
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2005 Jaguar X-Type 3.0L Cooling Systems VIN: SAJWA51C35
Ok - this Jag is finally fixed... After replacing the upper radiator hose assembly (it includes the t-stat) with a geniune jag part i still had the same issue. Further i checked the engine wire harness between the ect sensor and pcm for any voltage drop or res...
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2004 Land Rover Discovery HSE 4.6L Driveshaft or Suspension VIN: SALTP194X4
I want to thank everyone who helped me. I ended up replacing the front driveshaft. It was binding when under a load probably from the centering pin and ball. I still had the 45-50mph vibration and after taking the car to a tire shop with a road force machine I...
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2006 Volkswagen Passat 3.6 3.6L abs VIN: WVWFU73C26
Most tech recommend a good module service center to check out the abs module for problems. I have personally replace them on older VW's and BMW's, but not on newer versions. This gives me more confidence in sending it out for repairs. We check wiring and fou...
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