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Prev Professional Automotive Repair Technical Discussions for January 22, 2019
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Open Help Requests for All Makes and Models
Help Request Answers
2013 Audi A6 Quattro Prestige 3.0L altenator VIN: WAUHGAFC4D
intermittently the alt light comes on code #06674 also o/2 codes come with it .motor was replaced by audi about a year ago , no code or flow charts out .help anyone have a clue
2001 Chevrolet Silverado 2500 HD 6.6L no fuel rail pressur VIN: 1GCHC29131
Truck had no fuel rail pressure- installed reman pump. subsequently truck still had no rail pressure. installed new filter, fuel pressure regulator, added 6 gal fresh fuel, installed cap for fuel release valve- no change. individual injectors capped ...
2011 Chevrolet Colorado LT 3.7L Oil Pressure VIN: 1GCCSBFE4B
Will try to keep this brief. My shop maintains a fleet of 15 Chevrolet Colorados for a local business. They have been driving Colorados for 13 years now so we have maintained and repaired roughly 35-40 of these truck over the years. We have probably done c...
2003 Dodge Grand Caravan SE 3.3L Extended Crank VIN: 1D4GP243X3
This vehicle originally came in as a crank no start. I found that the PCM was not supplying ground to the starter relay. I had no 5v or 8v reference and all PCM grounds and powers were present. I replaced the PCM and had reprogrammed. Now the vehicle crank...
2006 Dodge Sprinter 2500 2.7L poor brake pedal VIN: WD0PD64426
This Sprinter is driving us crazy it came in with a poor brake pedal examining the pads and rotors the fronts were worn out and replaced, still poor pedal next the master cyl.was replaced with a Cardone part. I know I am going to see some flack bursts abou...
2007 Ford Escape Limited 3.0L Mechanical VIN: 1FMCU04137
The customer bought this very well cared for Escape in Hawaii when they lived there and then recently moved back. They shipped it from Hawaii to California and then drove it back from California to Michigan. It appears to be a very well cared for specimen....
2007 Ford Expedition Limited 5.4L battery VIN: 1FMFK20557
Hi everyone looking for some advise, I work on imports & i am not very familiar with this trucks system...after an hour the battery has a 6 AMP. draw that cycle's from 6 AMP. TO BELOW .080 AMPS , I Noticed the CD player was coming on & off while the truck ...
2010 Hyundai Accent GS 1.6L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire VIN: KMHCM3ACXA
Vehicle came in on the tow. Customer was afraid to let it run due to how much the engine would shake and because of the carbon coming out of the exhaust system. Started it. Yes engine would shake. Pulled codes, misfires. Check spark plugs, full of fuel, ... Trouble codes: P0300, P0301, P0302, P0303, P0304
2014 Kia Forte LX 1.8L rear axle beam VIN: KNAFX4A61E
Thank you for your advise; This vehicle has a solid axle beam in the rear and there is no adjustments to correct improper toe (Even though ALLDATA gives a procedure). The local dealership does not have any recommended shims to make adjustment and their techni...
2001 Nissan Maxima GLE 3.0L Rear Sensors VIN: JN1CA31D01
Code 35. Front sensors read correctly i think. Rears both read zero. Voltage at rear sensors 3.7. Voltage at brake control module 3.7. Continuity with no load test good module to sensors. Want to call it bad module but need advice before i pull trigger on ...
2002 Nissan Xterra SE 3.3L MIL Lamp on VIN: 5N1ED28T02
2002 Exterra, P0122, TPS code, V-6, started with a tps, no go. Check the 3 wires, terminal #3 black white wire does have the 5V reference signal, Brown wire has good continuity to ground on intake. no short to voltage. Blue wire tests good to ecu. But with... Trouble codes: P0122 (TPS voltage low or shorted)
1996 Pontiac Grand Am GT 3.1L heat VIN: 1G2NW12M7T
Posted about this car 2 years ago-multiple theories as to cause of low\poor no heat. All controls-all HVAC doors appear to operate as designed. My question is why does the system draw outside air from the cowl in every mode except max ac? Drawing outside a...
2007 Saturn Sky 2.4L Unknown VIN: 1G8MB35BX7
When at 40mph or more. There's a groan/vibration coming from the rear. Goes away when you let off the gas. Driveshaft cv joint was a bit binding & the boot was torn. Had a new joint installed. Both rear axles was looked at as well. Outer joints had some pi...
2010 Saturn Outlook XE 3.6L Excessive Emissions, MIL Lamp on VIN: 5GZLVTED3A
Help gm techs!! this outlook came in several months back- bad #3 injector. Ok, i have it coming- i let the customer talk me into only doing one bacause of the cost. Now its back- p029d- injector leakage #4.runs so bad it stalls, multiple cylinder misfires,... Trouble codes: P029D
2006 Subaru Forester X 2.5L Mass air flow sensor
I have this Subaru in my shop that the mice has gotten into. The owner of this vehicle reconnected all the wires for mass air flow sensor, but the vehicle still has check engine light (code po102). There is a grey wire that was connected to a blue/pink wir...
2008 Toyota Prius Touring 1.5L "Power" ON VIN: JTDKB20UX8
Hello, This is a 1st. for us... we're unable to access ECM, &/or Scan for codes because it will not 'Power' ON... dash "Car / Key" icon remains blinking... no MFD &/or other dash icon's come on (except left door open). 1. We've installed a correct New...
2006 Volvo XC70 2.5L AWD coupling in rear differential VIN: YV4SZ59296
Had a code 0006 in Differential module and only front wheel drive. Replaced with Dorman AWD coupling electric pump. AWD was fixed. Displayed good amp draw on scanner during acceleration and DTC stayed away After a couple months AWD stopped working again, C...
2006 Volvo S40 2.4i 2.4L No Start VIN: YV1MS39036
Has no communication between ecm and tcm? after head installation had no charging? tested wire to alt, had power, tested wire to alt output and had battery voltage. ordered a reman bosch unit and installed it. since then no communication with ecm and tcm.y... Trouble codes: 0100 (communication between control units), 0082 (engine status faulty signal), DD1B, 6C30, DD0C, 6F83

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2010 BMW 320i 2.0L Steering
Thanks for your help, the bmw is fixed. These are the last steps that resulted with the fix . 1) Registered the battery 2) CAS reset, 3)steering lock counter reset 4) reset the starter interlock, 5) try to start , no crank/start 6) remove battery for 1 hour 7)...
2013 BMW X1 xDrive28i 2.0L VANOS Cam Timing VIN: WBAVL1C57D
OK, so this one is definitely fixed. The cure was reprogramming the DME again. I don't know why, but instantly after programming again, the fault did not come back. I'll tell you I went through ISTA/D again. I had reset multiple adaptations including the...
2005 Chevrolet Corvette 6.0L Auto door locks VIN: 1G1YY24U65
So I replace the shift control lever Assembly and fixed it. There is a switch in the shifter actually 2 switches, one is used for the shift interlocking solenoid and the other is called the transmission shift select switch circuit #1932 d-gn/wh wire pin#6 at t...
2014 Chevrolet Cruze LS 1.8L Timing Belt VIN: 1G1PA5SG8E
found the alignment tool for only 23.00 amazon. thanks for the replies guys, will try to post how well the tool works.
2003 Ford F-550 Super Duty Lariat 6.0L no power/boost VIN: 1FDAF56P63
Thanks to all who replied. It ended up being a two part problem. We found a small boost leak at one of the silicone couplers and it still would not relearn the vgt so we dropped the converter from the down pipe and found it to be completely plugged up. It w... Trouble codes: P132A.
2006 Ford F-250 Super Duty XLT 6.0L Misfire VIN: 1FTSW21P26
Did a wiggle test on the injector wiring harness with the cylinder contribution test pulled up. Could watch the contributions change while doing this. Replaced the wiring harness, fixed. Thanks to all that helped. Trouble codes: P0279 (Cylinder 7 Injector Circuit Low), P0281 (Cylinder 7 Contribution/Balance Fault).
2006 Mercedes-Benz E350 3.5L Unknown VIN: WDBUF56J76
1970 Nissan 1600 1.6L Poor Idle Quality VIN: SPL3112824
Sorry for leaving this open-we have been busy with other projects and now the fuel pump has decided to start leaking so we will be waiting for a replacement before we can continue-received many promising help tips which we will continue to pursue.I will post f...
1999 Nissan Maxima GLE 3.0L No Start VIN: JN1CA21D7X
Well this left today, hope its finally fixed. Strangest thing though, after the guy that attempted to program the immobolizer left and was unable to communicate with the system, I recharged the battery and turned on the key and noticed that the security light ... Trouble codes: E1, E2, E4.
2007 Pontiac G6 GT 3.9L Poor Idle Quality, Poor Idle Quality, Poor Idle Quality, Poor Idle Quality VIN: 1G2ZH35147
Sorry I thought I closed this. Found that the injector harness was installed wrong, because gm marks the intake runners 2-4-6 on the bank 1 side & 1-3-5 on the bank 2 side. Very easy to swap. Thanks for all the help Trouble codes: P0171, P0171.
2008 Volvo XC90 3.2 3.2L heat VIN: YV4CZ98228
Thanks much for suggesting heater core. That did it. Easy too, once one gets the lines in fully, finally greased and literally slapped them in using my lower palm. Not planning to flush any more cores either.
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