Problem Reports
GMC Envoy
Report: Check Engine Light Due to Gas Cap Issue
GMC Envoy Problem
Model Years Affected: 1998, 1999, 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Average Mileage: 83,248 mi (37,125 mi - 197,000 mi)
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
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Visitor, 2005 GMC Envoy, 58,000 mi
My engine light was on and I checked the gas cap. It was not screwing on prperly and would pull right off. The engine light turned off as soon as I replaced it and started to drive off.
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Visitor, 2006 GMC Envoy, 78,256 mi
Check engine light keeps coming on has been checked at dealership. Mechanic said gas cap is causing problem. So off to get a new cap.
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Visitor, 2005 GMC Envoy, 50,000 mi
NEW GAS CAP AND DISCONECT THE NEG CABLE ON THE BATTERY TO GET THE LITE OFF
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Visitor, 2003 GMC Envoy
BAD FAN CLUTCH! I've had this problem twice. First time at around 60,000 miles. Now again at 228,000 miles. I realize that at 228,000 miles things are going to need replaced or repaired from time to time, but it seems that all of the repairs that I have had to make are repeats of things that I have already repaired peviously. The fan clutch, rotors, linkage, tail-lights & I'm on my third new gas cap. Not to mention that Ozzy Osbourne has been held hostage in the CD player for the last three years! LOL! Actually, I feel like I can't complain too much because given all the miles I've put on my car for the most part it has been a very reliable car. It's never left me stranded anywhere **fingers crossed** and has never felt the cold cruel hook of a tow truck. I will drive it until it falls apart around me because I LOVE IT!
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Visitor, 2005 GMC Envoy, 52,000 mi
The check engine light started coming on and I had heard that it could be a problem with the fuel cap. I tried tightening it up when I fueled up and this helped for awhile. Now it stays loose and the light stays on, guess it is the firt vehicle that I've ever owned that had a sensor in the gas cap or a gas cap that didn't fit right. I also found out that this will cause the fuel gauge to work crazy, too.
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Rookie
check engine light is on all the time
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Visitor, 2002 GMC Envoy
The newer gas caps do not fit properly on the older Envoys creating a problem of the check engine light not staying off.....I'm on #4 and check engine light is still on!
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Visitor, 2005 GMC Envoy
I have replaced the fuel cap three times. It works most of the time. At 3/4 tank light comes on and goes out at 1/4 tank and then may stay off for 2-3 tanks then comes back on. Paid over $500 to have the fuel level sender replaced and now get 4-6 mpg less...NO MORE GMCs for me.
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Visitor, 2002 GMC Envoy, 115,000 mi
Check engine light would come on and go off for about a week and then stayed on. I hooked up my code reader and the code was for "small emissions leak". I looked up the top solutions for "small emissions leak" and the first one was bad or loose gas cap. I checked the cap to make sure it wasn't loose. That wasn't the problem so I replaced it with a new cap , cleared the code, and the light has stayed off for over 4 months now.There were other potential problems listed but the cap was the most likely and the easiest to try.
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Visitor, 2006 GMC Envoy, 102,000 mi
Light on after a 700 mile road trip, caused by gas cap not being all the way on. Then again, check engine light on - paid $62. to have diagnosed (a 2 minute job)... light came back on 4 days later - wish it was the gas cap.
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