When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Silverado, Sierra & Fullsize Pick-upsThe Silverado & Sierra have been two of the best selling trucks in the US for decades, and is truly proven to be "like a rock".
maybe an exhaust leak? Does it get faster with increasing engine speed or faster with increasing vehicle speed? How is the engine oil level? May just be noisy lifters.
Yea it seems to be when i accelerate while driving while it is idling it doesnt do it. ( atleast not noticable) It does idle at 500 if that helps. its kindof a rough idle.