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Professional Automotive Repair Technical Discussions for September 23, 2019 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1998 Buick Riviera 3.8L Misfire VIN: 1G4GD2211W Have what appears to be a dead miss on cylinder 3. Originally i changed plugs and wires for a history cly 4 misfire. Then did a crack variation relearn and i did a mass air flow for excessive fuel trim. Drove the car and it seemed well, fuel trims were wit... Trouble codes: P0303 (Cyl 3 misfire) |
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| 1999 Chevrolet Blazer 4.3L Air delivery VIN: 1GNCS13W2X Hey guys, have another one we are pulling our hair out on. Vehicle came in for no a/c and air will only blow out the vents. Customer stated that she switched it from defrost to vent and that is when the issue started. We have put in a new control head, new... |
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| 2008 Chevrolet Colorado WT 3.7L Tpms VIN: 1GCDT14E88 This is my father in laws ride. I had new tires installed and with all new Schrader brand sensors. The low tire indicator has been on for years, because it had mismatched sensors I had them replaced with ones the tire store recommended. Low tire light stil... |
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| 2012 Chevrolet Impala LS 3.6L Readiness Monitors VIN: 2G1WD5E3XC Please bear with me, this is gonna be kinda long. Helping out a friend who just had surgery in the middle of fixing this car. Car is a former police car now being used as a taxi. Was off the road for a few months and needed a new battery. After replacement... Trouble codes: P0013, P0015, P0442 (EVAP small leak), P0645 (A/C compressor cutch relay control circuit), P162B |
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| 2015 Chevrolet Express 2500 LS 6.0L Misfire, MIL Lamp on VIN: 1GCWGFCG8F Thanks in advance for help on this vehicle, it has low oil pressure, 6 psi at warm idle 30 psi at 2k rpm. It has a intermittent misfire on cylinder #2 at idle,the actual misfire counts are low 4-10.we checked it for a vacumme leak with carp cleaner. We swa... Trouble codes: P0300 (Random misfire), P0302 (Cylinder 2 misfire) |
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| 2005 GMC Savana 2500 6.0L Misfire VIN: 1GTGG25U05 Hi folks, we just put in a complete rebuild engine for this van 6.0L. The van overheated, tow to us, barely start and run at a time drop off. We replaced engine, put all new sensor: coolant, camshaft, crankshaft position. Van starts and run fine at idle, b... Trouble codes: P0300 (multiples misfire) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2008 Chevrolet Silverado 1500 WT 4.8L Engine VIN: 1GCEK19C78 We put 2 extra quarts of oil in truck and the light never came back on.The customer is going to use it like that for a couple weeks and then we will pull pan and fix the sump o-ring.Thanks for all the replies we had a gut feeling that it had to be air in oil a... |
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