2014 Chevy Silverado 5.3 V8 Noisy at Startup 5.3 Smokes On Startup
Car Exhaust Smoke: Colors & Their Meanings If its coolant, its probably a head gasket leak, letting coolant into the combustion chamber and blowing it out the exhaust. Condensation can White smoke after "new" injectors. Locating bad injector on 7.3 Finding out why your Chevy 5.3l is burning oil or smoking. The white smoke could be caused by the placement/oil fouling of the PCV valve, coolant leaking into cylinders (leaking valve seals), leaking valve cover gasket. FIX that white smoke on startups (for '07-14 LS engines) ...