We have changed the spark plugs, changed the oil. oil filter, air filter, fuel filter, egr valve, and cleaned the maf. I t was running really well yesterday. Like it should. This afternoon it is running like it is about to die and check engine light is on. I took it to a garage to see they hooked it up and it wouldn't register any code. what can it be now please help!!!!!!!!!
Aug 12, 2009 at 7:43 PM