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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 5, 2021
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Open Help Requests for GM
Help Request Answers
2000 Chevrolet Astro 4.3L Monitor Incomplete VIN: 1GNDM19W9Y
Good morning all. This Astro van will not complete o2 heater monitor. New sensors and 175 miles over one week. All other monitors complete. Key on engine off they all drop down to around 50 millivolts. IAT and ECT always within a couple degrees of each oth...
2009 Chevrolet Uplander LS 3.9L Keyless entry fob VIN: 1GNDU23149
Good morning everyone. I hope someone has encountered my problem before and can help. I can't seem to get the keyless remote to program to the vehicle. Have tried the vehicles key on key off procedure repeatedly and also Using the snap on Solus Ultra ( wit...
2009 Chevrolet Suburban 1500 LT 5.3L monitors VIN: 1GNFK26329
Have trouble running oxygen Heater monitor- and evap monitor to pass state emission test- cat, o2 and continuous monitors all run and pass- no codes. Any info or experience on this would be appreciated.
2016 Chevrolet Silverado 3500 HD LT 6.0L Misfire, MIL Lamp on VIN: 1GB3CZCG4G
Good Morning All: This is a random and occasional problem that seems to have a greater propensity to occur on cold start (50-70 degrees ambient). Soon after start up the CEL will illuminate and then start to flash, obvious miss fires. Engine runs poor, ... Trouble codes: P0449 (Evap Vent Solenoid Control Circuit), P0175 (Fuel Trim Sys Rich Bank 2), P0157 (HO2S Circuit Low Voltage Bank 2 sensor 2), P0152 (HO2S Circuit High Voltage Bank 2 sensor 1), P0137 (HO2S Circuit Low Voltage Bank 1 Sensor 2), P0132 (HO2S Circuit High Voltage Bank 1 Sensor 1)
2014 GMC Sierra 1500 SLE 4.3L Poor Idle Quality, VIN: 1GTN1TEH4E
Hello guys, thanks for reading my post I have this GMC Sierra 4.3 that has an engine vibration at idle. The vibration gets worst sometimes when you are at the traffic light. I don't have much information about this truck because this is a new customer. I f...
2015 GMC Sierra 1500 SLE 5.3L headlights VIN: 3GTU2UECXF
Good evening everyone i just bought this truck about a month ago [this is my personal truck] I noticed at night the headlights arent very bright so i replaced the bulbs with phillips crystal vision headlight bulbs and they are still not real great.I forgot...

Fixes & Summaries for GM
Fix/Summary Answers
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