Problem Reports
GMC Sonoma
Report: Check Engine Light Due to Gas Cap Issue
GMC Sonoma Problem
Model Years Affected: 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Average Mileage: 90,950 mi (42,000 mi - 125,000 mi)
A Loose or worn gas cap may cause Check Engine Light to illuminate.
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sherigriff, 2002 GMC Sonoma, 109,000 miRookie
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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Visitor, 1996 GMC Sonoma, 125,000 mi
replace cap
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Visitor, 2001 GMC Sonoma, 68,750 mi
loose gas cap--engine warnuing light
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Enthusiast
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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