Focus Fanatics Forum banner
1 - 3 of 3 Posts

· Registered
9 Posts
Discussion Starter · #1 ·
does anyone know why my car would be running rough and missing when cold, and when it heats to opp temp it idles at like 500rpm and shakes?. i have replaced--> fuel pump, fuel filter, timing belt, spark plugs, wires, cleand IAC valve, cleaned MAF, checked all vac lines for leaks. it is a used engine from wrecking yard, but the old engine had the same symptoms...
1 - 3 of 3 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.