Problem Reports
Chevrolet Suburban 1500
Report: Check Engine Light Due to Gas Cap Issue
Chevrolet Suburban 1500 Problem
Model Years Affected: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Average Mileage: 109,333 mi (91,000 mi - 137,000 mi)
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
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Rookie
been there done that
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Visitor, 2006 Chevrolet Suburban 1500
Check engine light stayed on and once the cap was replaced, it stopped.
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Visitor, 2005 Chevrolet Suburban 1500
After repeatedly getting a Check Engine light after fueling, I took it to a dealership who informed me that the code that showed up when they hooked it up said that I needed a new gas cap. Well, I paid the big $$ there for the cap and a couple weeks later it came on Again!! This time I took it to my normal oil & tire guy who let me in on the real issue (in my case at least!) I hadn't been tightening the fuel cap enough "clicks"!! I might stop at 2-3 & he said turn til you hear at least 10! Otherwise the vehicle senses that as a "leak" in the fuel system, be it fuel or air/compression. This happens quite often in many other makes/models too! Hope this helps someone!
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