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Professional Automotive Repair Technical Discussions for March 5, 2025 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2014 Chevrolet Suburban 1500 LT 5.3L Brake Lights VIN: 1GNSKJE7XE Lower Brake lights do not work. When hazards are on, bulbs light normally. Upper light functions properly. Scanner shows brake light position sensor working in the engine pids. When I look under exterior lighting, pid changes from active to inactive when... |
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| 1999 Ford F-450 Super Duty Lariat 7.3L coolant contamination VIN: 1FDXF47F6X Thanks in advance. Truck came in with coolant in oil, and oil in coolant. diagnosed and replace oil cooler. after changing oil twice, oil is now clean. But the problem is after several flushes, with a variety of flush concentrates, the coolant still has so... |
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| 2015 GMC Sierra 1500 SLE 5.3L Mechanical VIN: 3GTU2VEC0F Customer complains about gas in oil, oil level over full verified complain, replaced high pressure fuel pump as per gm bulletin road tested vehicle, still gets fuel into the oil, there is no codes, the fuel trims are high because of the fuel in the oil, ch... |
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| 2012 Volkswagen Jetta TDI 2.0L Mechanical VIN: 3VWPL7AJ3C Good morning, This Jetta 2.0L TDI is consuming engine oil, about a quart in 600 miles. The turbo does not appear to be dumping oil into the exhaust. There was some oil in the intercooler, about a tablespoon or so. There is some oil pooled up on top of t... |
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| 2018 Volkswagen Tiguan SE 2.0L compressor VIN: 3VV2B7AX5J Calling all VAG experts! AC Compressor inop, has been replaced. Has a code for U101300 control module not coded. When testing with the scanner it appears that the inputs are working. Not sure what coding would need to be performed. This is an auction vehic... |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2013 Chevrolet Cruze LS 1.8L Misfire VIN: 1G1PA5SH3D I scoped the cylinders w/ running compression w/ a pressure transducer. cylinder 4 had substantially higher compression. The intake portion of the capture was indicating worn intake cam lobes (Intake valves closing too early). Removed the valve cover for a clo... |
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| 2004 Ford F-150 FX4 5.4L manifold VIN: 1FTPW14584 Thanks to all who helped. End of the road on this one. I had to take a rip saw and an air saw and literally cut the manifold into chunks to get it out of the way to drill it. Mostly the welding trick worked great once I ground off the bolt heads and removed t... |
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| 2011 Ford Expedition Limited 5.4L engine compression VIN: 1FMJU2A57B Some of the most helpful responses addressed my actual questions and others led me to more information. I spoke w/ John about the clogged converter angle and we both agreed that is not likely as I could consistently retrieve cam position codes during a KOER se... |
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| 2015 Honda Fit LX 1.5L Poor Idle Quality, Hesitation, Surge, Cuts out VIN: 3HGGK5H8XF The sensor ground was broken about 6? from the MAP sensor connector. The power and signal wires were partially broken but still giving continuity. They would have failed in short order. I believe the damage was caused by fatigue due to engine vibration. Trouble codes: P0103 (Mass Airflow Sensor Voltage High). |
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