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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 23, 2021
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Open Help Requests for All Makes and Models
Help Request Answers
1998 Chevrolet Camaro 3.8L Misfire VIN: 2G1FP22K5W
Ok guys I'm at the end of my rope with this one, came to me with a miss on #3 and 6 cylinder preventing it from passing inspection. Found no spark from the one coil, replaced it and now have spark but the miss remains on #3 cylinder. Customer wanted new pl... Trouble codes: P0303, P0303
2010 Chevrolet Express 3500 4.8L MIL Lamp on VIN: 1GB3G2BA2A
We have 2 2010 Chevy express bread vans with the 4.8L engine and both are setting O2 codes primarily for bank 2 sensor 2. We have checked wiring multiple times and replaced sensors with Chevy O.E. sensors from the dealer, and the codes continually reset. C... Trouble codes: P0157 (B2s2 low volt), P0056 (Bb2s2 heater cir), P0060 (B2s2 heater resistor), P0137 (B1s2 low v), P0158 (B2s2 high v), P0161 (B2s2 heater)
1999 Ford F-150 Lariat 4.6L transfer case VIN: 1FTRX08W0X
Initial faults present: P1820, P1828, P1850, P1854, P1858, P1838, P1867. Confirm 4wdHi indicator displayed but is in 2wd mechanically and wont' perform any shifts as commanded. Test and confirm 4wd switch fails - has power & ground to it but resistance val...
2005 Mercedes-Benz CLK320 3.2L Trunk Wont Open VIN: WDBTK65G25
Trunk wont open electronically with remote or button. Customer states this happened after he hit a hard bump and the rear headrest roll bar deployed. The trunk button on the remote, drivers door button and even the trunk lid handle won't open the trunk....
2010 Nissan Versa S 1.8L Hesitation, Hesitation, Hesitation VIN: 3N1BC1CP0A
Need next steps to get this car fixed. Already losing money on it...Injector driver? VVTI? Don't see any pattern failures in IATN or Identifix. Trouble codes: P0300
2004 Porsche Cayenne S 4.5L INC air monitor VIN: WP1AB29P04
My customer has driven the vehicle over 1000 miles since they were notified it needs to complete the secondary air monitor to pass a CA smog test. No change occurred. Vehicle has no stored or pending codes. My customer has since reset the monitors numerous...
2000 Toyota Camry LE 2.2L engine VIN: JPG22K3Y04
been driving it for more then a year .started to have a small oil leak , replaced valve cover gasket , was greasy at back side .still leaks but less .the leak is behind the bracket that hold the 2 coils , leaks down to the trans top .not the oil pressure s...
2008 Toyota Corolla S 1.8L MIL Lamp on VIN: 2T1BR32E88
Another P0171 which should be an easy diagnosis but is running us around in circles. The LT trim climbs at idle, the AFS runs between 3.2 and 3.4 volts. Downstream O2 runs a solid .66 volts. Checked for vacuum leads and could not find any. Checked MAF with... Trouble codes: P0171 (Lean bank 1)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2010 BMW X5 xDrive35d 3.0L MIL Lamp on VIN: 5UXFF0C53A
After much pain and suffering we checked the operation of the turbo wastegate and found that it is too stiff to be pulled by the vacuum actuator. We are doing everything we can to avoid pulling the turbo out of the vehicle but not sure we will succeed. Trouble codes: 4530 (Charge Air Pressure Control Deviation), 483D, 3EED, 4C12, 459C, 480A.
2002 Chevrolet Suburban 1500 LS 5.3L 2nd gear VIN: 3GNFK16Z82
Thanks to Scott [...] who set me on the correct path. It was the pressure switch (TFP) assembly that was the problem. I had thought the incorrect 2nd gear indication was a response and not the cause. The Transmission Range (or PNP) and the TFP should always ag...
2014 Ford Mustang 3.7L Poor Idle Quality VIN: 1ZVBP8AM0E
Hey guys, thanks all that replied. So I flashed the pcm using the as-built data and it fixed it all. Idles smooth and camshaft advance values hover around 0-5 degrees at idle. Appears that my first PCM flash didn't stick or the file was corrupted.
1992 GMC C1500 Sierra SLE 4.3L misfire VIN: 1GTEC14Z7N
first off i want to thanks for the phone call. it cleared up some issues. the following pids were read integrator 128 closed loop tps 0.50 block learn 128 iac 46 coolant 93 map 8.8 in hg volts 1.08. using vacuum guage at mapm sensor vacuum tube i was getting ...
1992 Mercury Grand Marquis LS 4.6L w/s wipers VIN: 2MECM75W8N
Thanks for all the replies,I appreciate all. I finally found, under the dash, the wiper control module/governor and I replaced it. Now everything works fine. Had some trouble finding one for that age vehicle. Thanks again. BOB in North Dakota.
1982 Volkswagen Vanagon Campmobile 1.6L No Start VIN: VW2ZG0256C
What I did: new filters, bled using air pressure in tank to force fuel through lines, filter, and into pump. Would almost start. It was suggested it should have an in-line pump? This does not, so I added one. {I used a universal pump for a carburetor}. With th...
2012 Volkswagen Passat SE 2.5L Timing chain VIN: 1VWBP7A33C
Thanks for the help General consensus was it is an interference engine. I pulled a couple of spark plugs and it had 0 psi. compression. Talking with the customer, I think it had some sort of oil pressure problem which is why she shut it off & then would not st...
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