truck idles pretty well but as soon as you step on the gas, theres little to no power . it laggs and if you keep on the gas it will rev high and then start speeding up.I have replaced fuel filter,cap & rotor,spark plugs recently? anymore ideas?
Air filter ok? Cat converter ok? Also might just need some fuel treatment added to a tank of gas to clean carbon build up.
check your egr valve
Air filter good,Cat good, will try gas tank treatment. Also going to check egr tomorrow
Looking for a Used Sierra 1500 in your area?
CarGurus has 68,893 nationwide Sierra 1500 listings starting at $1,800.
Search GMC Sierra 1500 Questions
GMC Sierra 1500 Experts