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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 1, 2018
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 GM
Help Request Answers
2008 Chevrolet Uplander LS 3.9L Cuts out VIN: 1GNDV23W28
Got this Uplander with no RPM signal from crank sensor. Got the 5v reference, 5v signal circuit and good ground to sensor. Strange thing is signal voltage goes from 5v to .74 volts as soon as you plug the crank sensor in. Voltage never changes once you spi... Trouble codes: P0335 (no crankshaft sensor signal)
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2010 Chevrolet Equinox LT 3.0L MIL Lamp on VIN: 2CNFLNEY7A
After driving less than 15 minutes, coolant gauge goes to cold. Cooling fans come on and inside heat goes to cold. Freeze frame data shows ECT as 105F and 620 seconds since engine start. Ambient air temp is 32F Trouble codes: P0128 (Engine coolant temperature)
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Fixes & Summaries for GM
Fix/Summary Answers
2010 Chevrolet Malibu LS 2.4L Surge, Misfire, MIL Lamp on
I rechecked for ground reference and signal all were good. next step was to replace MAP which had already been done. After looking at PCM found transmission lines had been leaking and fluid had migrated into connectors. Cleaned connectors with contact cleaner ... Trouble codes: P0106 (p0107-), P0107.
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