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2001
109,000 Miles
Service engine light keep coming on. We finally just replaced the the gas cap and it took care of the problem!
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2001
21,965 Miles
Light came on after filling up.
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2001
73,477 Miles
Forgot to tighten cap, drew code, tighten cap reset code, vwalla..
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2001
125,000 Miles
replace cap
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2001
68,750 Miles
loose gas cap--engine warnuing light
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2001
0 Miles
04/2010 Freeway road was uneven at end of bridge. I hit dip going 60 mph. Truck bottomed out and I nearly lost control. Check engine light came on. I spent $ 100 to have problem diagnosed as broken fuel cap.03/14/12 Happened again. 13 reported problems? I think the dealer should refund me the $ 200 I spent to diagnose this problem.
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2001
77,000 Miles
after filling up and twisting cap till it clicks 3 times ODB code reads 0442 it does not always happen though!
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2001
209,430 Miles
replaced gas cap 2 times this year.. not sure if its a gmc problem or the kind of gas we all have to deal with now.. I hear its not good and dry rots the gas caps