Question about 2003 Chevrolet Suburban 1500
Does it gallop when you are sitting idle and the RMP gauge bounce up and down between 1000 and 1500? If so, clean the throttle body and see if that solves the problem. I had a similar problem with my 03 Yukon XL (same truck) and cleaning the throttle body fixed it.
Posted on Oct 02, 2010
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Posted on Jan 02, 2017
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