Engine Performance problem
1990 Pontiac Grand Prix 6 cyl Front Wheel Drive Automatic 117636 miles
replaced radiator waterpump thermostat temp sensor throttle position sensor maf sensor idle air sensor plugs & wires fuel filter air filter changed oil & oil filter replaced all vacuum hoses fuel pressure checked & good. Check engine light was on b4 all this now it isnt & no trouble codes now. Car drives perfect for about 20 minutes then starts running rough & dies stalls will restart but idles rough & dies unless it sits for few hours then runs good for 20 & same thing. Very frustrated
have the same problem?
Monday, August 30th, 2010 AT 12:54 PM