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Professional Automotive Repair Technical Discussions for October 14, 2025 International Automotive Technicians' Network (iATN) - Members Only |
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| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2015 Chevrolet Silverado 1500 LT 5.3L Knocking noise VIN: 3GCUKREC9F Hello everyone I would first like to thank you for your time. I have a 2015 Chevy Silverado with a 5.3 in it that has a slow rotational knock in it. Is more pronounced on cold startups but can hear it all the time at idle. The rotational noise is too slow ... |
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| 2016 Ford Explorer Platinum 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FM5K8HT8G Did injector test showed all were within spec. Fuel pressures are both good. Fuel trims are super high….. around 20-28 on the long term on both banks. Cyl 6 is still showing a miss. Map and turbo show same psi koeo…. Smoke test turns up no leaks…. Like I s... Trouble codes: P0171 (Lean bank 1), P0306 (Misfire cyl 6) |
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| 2018 GMC Acadia SLT 3.6L MIL Lamp on, Reduced power mode VIN: 1GKKNSLS3J Car came in with broken timing chain from previous repair attempt from DIYer. We replaced engine with used. Car runs great until hard accel. It will go into reduced engine power mode and sets a p0091. It has set a P163A a couple times, but usually sets t... Trouble codes: P0091 (Fuel pressure regulator low / short to ground), P163A |
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| 2018 GMC Terrain SLE 2.0L Engine VIN: 3GKALMEX5J before aformentioned work loud buzzing/bearing type noise. sounded like tensioner/alt bearing. noise still present with belt off. stethoscope shows loudest at front off engine. Doesn't seem to affect operation. question is does the oil pump have a ball bea... |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2015 Audi Q7 TDI Premium 3.0L No Start, Stall VIN: WA1WMAFE6F Hi All, Thanks for all the offers of help. Customer declined to go further and decided to donate the car. Cheers Trouble codes: P00C6, P0087 (Fuel Rail Pressure Low). |
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