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Prev Professional Automotive Repair Technical Discussions for October 20, 2017
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Open Help Requests for All Makes and Models
Help Request Answers
2012 Acura ZDX 3.7L RF mirror turn signal VIN: 2HNYB1H43C
testing this mirror turn signal and finding good ground and voltage varies.I can't find a spec on what the voltage should be.Someone else diag'd as bad LED,new LED was installed and is still inop..as always any and all help is appreciated..Thanks,Charlie
2004 Audi A4 Quattro 1.8L Heater VIN: WAULC68E54
Hi guys i have this audi a4 here with no heater in cabin so i got the lines off heater core and check for blockish and is open so i turn the car on and i noticed water doesnt go up from botton hose from heater core so looks like there is no circulation of the ...
2002 Chevrolet S10 4.3L Ignition Lock VIN: 1GCCS19W12
Hello this vehicle came in with crank but won't start. Checked for codes. Found P1636, P 1336U 1041. Replaced the Computer, ignition switch, Ignition lock cylinder & the crank shaft position sensor. The U1041 is saying loss Ecbm Ebtcm Communication. that was t...
2005 Chevrolet Avalanche 1500 LT 5.3L MIL Lamp on VIN: 3GNEK12Z05
Im having trouble with a fuel compensation sensor on this truck.The sensor was replaced here last year so it was still under warrenty(I don't know why it was replaced)so I replaced that.Before I did anything I verified the scanner was showing 43hz.I need 45 to... Trouble codes: P0178
2008 Chevrolet Suburban 1500 LTZ 5.3L Misfire, MIL Lamp on, No misfires felt VIN: 3GNFK16368
As stated in the repair history, the engine was replaced due to mileage with only a PO304 misfire code set due to the collapsed DOD lifter. A Jasper reman engine was installed with new GM cam and crank sensors along with new plugs. The oil pan, timing cover an... Trouble codes: P0300
2009 Ford Crown Victoria Police Interceptor 4.6L Stall, MIL Lamp on VIN: 2FAHP71V59
we have a fleet of crown victoria police cars,and have been getting about 10 cars within last year and a half with same codes and shutting of at random times, some also had a/c relay ciruit fault in ther too, but not this one. have been replacing pcm's , and i... Trouble codes: P0135, P0141, P0155, P0161, P0403, P0443
2011 GMC Canyon SLE 2.9L MIL Lamp on VIN: 1GTC5LF94B
This vehicle was brought in with secondary air pump running at all times) we disconnected the air pump to test pcm and relay operation and all seems normal applies correctly and relay shuts off when commanded The air pump was running at all times even with key... Trouble codes: P0411
2011 Hyundai Elantra GLS 1.8L No Start VIN: 5NPDH4AE5B
The customer was driving home and suddenly the car quit running. No codes. Sprayed in carb spray for fuel, and engine would not run. Engine does crank, lights, wipers, windows, radio, turn signals all work. Used noid light to test fuel injectors which flashed ...
2006 Jeep Commander Limited 5.7L #7 cylinder VIN: 1J8HG58206
Missing on cylinder 7, another shop put in a MDS solenoid due to code p1417, still missing, I swapped coils, injectors, spark plugs, tested spark output, checked wave form on number 6 and 7 cylinders for ignition coils, injectors and MDS solenoid, activated so...
2008 Jeep Wrangler Unlimited Sahara 3.8L compressor VIN: 1J4GA59108
Hi all. This jeep has me stuck.A/C compressor runs when you first start vehicle even though a/c light is not on.then cuts off and won't come back on no matter what you do other than shutting vehicle off.Light in ac control doesn't seem to work right either-lag...
2007 Saab 9-3 2.0T 2.0L Excessive Emissions, No Start, Stall, Poor Fuel Economy VIN: YS3FD49Y77
Hi All. I need some input please! Received this Saab running very poorly after oil change at quick lube. Checked it, no codes, no other symptoms. During diagnosis car completely went down the drain and refused to run any longer. Only perceived problem was tha...
2009 Volkswagen Rabbit S 2.5L Gearshift VIN: WVWAA71K69
Hi everyone The customer bought this car at auction with minor front end damage and immediately determined no 1st or 3rd gear. I looked at it and tried to perform gearshift adjustment. When releasing one of the cables I found one of the cable ends broken and ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 BMW X5 3.0i 3.0L DSC, ABS, 4x4, Traction Control VIN: 5UXFA13535
Thanks everyone for the input. Most everyone mentioned the transfer case actuator and the plastic gear that strips. This is a well documented repair. I agree it?s common but my fault codes did not really indicate this being a problem. Dan and Alan were cor...
2011 Chevrolet Silverado 1500 LTZ 5.3L power steering assist VIN: 3GCPCTE01B
thanx for all the replies i fllushed the fluid and [...] the ps pump it was better but the customer wasnt real happy im not sure anything wou;d have completely satisfied her!!!
2012 Chevrolet Express 2500 4.8L blower motor and compressor VIN: 1GCWGFFA0C
Customer never returned the van, but I want to thank the 2 replies I got. Thanks troy and bill, I checked the ground and checked the coolant temp sensor, both were good.there were no codes stored.
1998 Ford F-150 Lariat 4.6L MIL Lamp on VIN: 1FTZX1761W
Ford after much research found the correct dpfe sensor part number 3W1Z 9J460 AA although stamped on the part was 3W1E 9J460 AA, this has a .44 volt koeo and .45 koer I also cleaned out the passages in the throttle body. Test passed Thank you and hopefu... Trouble codes: P0401 (Egr flow).
2001 Ford Explorer Sport Trac 4.0L Anti Theft VIN: 1FMZU77E31
Thanks for the help. Yes it was a loose ground . The ground near the battery has 2 nuts on it the body ground the on top of that the small ground form the battery. The outer nut was tight but the inner nut was loose. Thank you for the help. I was thinking for...
2010 GMC Acadia SLT 3.6L rotors rear VIN: 1GKLVMED8A
Vehicle has not returned for re-inspection, will recheck front end when she comes back in. Thanks for all the advice
2007 Mini Cooper 1.6L Hesitation, Cuts out VIN: WMWMF33557
thanks for the help. I ended up scope testing everything at the ecu. after figuring out that all-data has the connector pinout numbered backwards, I was able to determine that ignition coil signal and injector signal were cutting out for about 20ms when cut ... Trouble codes: 2D53.
2011 Toyota Tacoma 4.0L wheel bearing VIN: 3TMLU4ENXB
Thanks to all that replied. I could not find that information anywhere but here. I put the high side of the washer towards the spacer. I put the axle in the freezer for a day or so, pressed the bearing on, l put the spacer in the toaster oven for a few minutes...
2009 Volvo C70 T5 2.5L Poor Idle Quality VIN: YV1MC672X9
we found the intercooler was damaged, replaced it cleaned out metal particles from hoses so far so good Trouble codes: 640C.
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