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Prev Professional Automotive Repair Technical Discussions for September 14, 2023
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Open Help Requests for All Makes and Models
Help Request Answers
2017 Audi Q7 Premium Plus 3.0L Cylinder 5 Misfire VIN: WA1VAAF70H
Vehicle came in for multiple misfire and lean codes. Found excessive crankcase vacuum and condemned pcv. After replacement as well as new plugs, almost a dead miss on cylinder 5 at idle. Increasing rpm to anything above 1800 the miss levels out completely ...
2020 Chevrolet Silverado 6500 HD 6.6L No Start, Stall VIN: 1HTKJPVMXL
desired fuel pressure is 60 but with truck running is about 20 psi and sometimes drops to 0 and truck dies. i can command fp on with gds2 and runs up to 80 psi but when i start truck it drops to 0 and truck dies. i load tested wires from driver to pump wit... Trouble codes: P018B, P228C, P129F
2005 Dodge Ram 2500 Laramie 5.9L drive belt VIN: 3D7KS28C45
hi all, so this is my personal truck i've had for 10 years. problem is the drive belt keeps jumping 1 groove off, toward the motor, but only on the a/c compressor pulley. i can see the alignment pretty good and it looks straight. has been this way for a lo...
1997 Ford F-350 XL 7.5L Engine VIN: 1FTJW35G4V
So This truck came into us with a blown motor. The truck is a 97 and the motor that was in it is a 90. For some reason or another it was decided to put another 90 motor in it. Since then it runs horrible and it has both lean and rich codes. My question is,...
2008 Ford Fusion SEL 3.0L Pats VIN: 3FAHP02168
Hi and thank you in advance for your time !! I have this Fusion in the shop that has been giving me troubles performing Pats Perimeter Reset of the PCM and IC. I gain security access and lose security access when I click on perimeter reset or anything wh...
2017 Ford Escape SE 2.0L Misfire VIN: 1FMCU0G98H
scratching my head here. yesterday on first check had a slight misfire on #2 with IDS on power balance.Have dts's [...] po316. customer wanted coils and plugs replace. this morning now have #3 dead miss.Checked physical spark and compression also ran co... Trouble codes: P0303, P0316
2002 Mercedes-Benz S500 5.0L right side sam VIN: WDBNG75J12
Customer had a neighbor who owns a body shop jump the car and the drivers door airbag deployed when he jumped it .got it to his shop changed the battery in trunk turned the key and the passenger door airbag deployed the car is a no start with the key stuck...
2008 Mercedes-Benz E350 3.5L advice VIN: WDBUF56X48
Hello group, this car is needing a valve body. with this mileage I pushed customer to replace complete transmission but he wants to roll the dice on repair. I have NASTF and Xentry. MB says complete VB not available anywhere at this time. I could conceivab...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2013 Ford Explorer XLT 3.5L Misfire VIN: 1FM5K8D81D
Thanks for aLL the great responses. It ended up being the TCC. I changed the Trans fluid with friction modifier and as Paul said, all the bucking was gone. I'll never forget that one but we never forget the ones that really give us a butt kicking. do we? It r... Trouble codes: P013C.
2019 GMC Sierra 1500 AT4 5.3L Fuel Gauge VIN: 1GTP9EED3K
Prodemand has the pin numbers listed wrong for this truck for the high speed LAN wires to the ecm, they list the correct pinout for an L3B engine. Using the GM diagrams on identifix, I found that I had no resistance on the wires going to the FPDM. I did verify...
2018 Hyundai Santa Fe Sport 2.4L Poor Idle Quality, MIL Lamp on, high idle VIN: 5XYZT3LB5J
James [...] you were right on track. I found previously installed butt connectors on the car causing the circuit code. The bad connector was on the Black wire pin 2. Even though that wire was showing 11 volts i cut out the butt connector and it had 2k ohms me... Trouble codes: P0010.
2013 Porsche 911 Carrera 4S 3.8L Cuts out VIN: WP0AB2A97D
so i bore scoped all the cylinders , not a good picture , car has a lot of adult abused miles, installed new plugs and coils several where cracked , and yes it was tuned , so the general consensus that i agree is flash it back to stock and start f... Trouble codes: P2103 (Throttle control circuit high passive / sporatic), P199A, U0418 (Psm check engine for codes passive / sporatic).
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