I had rebuilt my motor 3 months ago (took block to resurface and honed cylinders, head completely rebuilt/ new seals, rings, rod bearings) and re-assembled. (Note-it has all new trans & motor mounts) and been noticing for a while that my #3 cylinder plug wire changes motor reaction very little when pulled out. Seems to not fasten tightly so replaced wires and plug itself and same thing. Probelm occuring is that I could hear car misfire ahd have that funny odor from exhaust after car is shut off. Also every morning does not idle properly at start up (normal I belive is at around 1500rpm) and my car idles first at around 800rpm, I tap the gas and it drops down to 100 then back up to 800, then about a minute idles up to about 1200-1500 rpm until warmed then drops to normal 700 rpm idle but when this happens, engine shakes like crazy that the stering wheel is vibrating badly most of the time (time to time shakes very little). Valves have not been adjusted but not sure if this could be the problem. Also another note timing belt broke and I had replaced both but this problem existed even prior and still the same after. Could this be a result of a bad idle or fast idle control valve? Or something else?
Thursday, April 25th, 2013 AT 6:26 AM