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Hi everyone my idle varies somewhat high and then low. on startup goes to around 1200, then settles down to 1000. occasionally to 700 rpm. put the car in neutral and the used to stay around 700 rpm, now its idling on and off at around 1200 to 700 depending on its mood, not relating to warming...

Ps any way to get rid of ugly carbon Hi thanks again any way to get rid of poss ugly carbon deposit I tried having water sucked into intake manifold and also tried seafoam if I had to guess I have a stuck open intake valve if that is poss someone said to put quart of ATF into engine...

Thanks I appreciate the input Would it be better to pull the heads and put have a valve job performed or take a chance on a used engine cost reliabilty I've heard of inexpensive engines from japan or try to pull the heads myself and pay someone to fix the valve the engine has 240 k...

HI My 92sc400 was running great, but, i started to hear the starter motor dragging. The car was running great up to this point. I had the starter motor replaced and a week after getting the car out of the shop. It developed a low rpm rumble and felt like it was running on 6 cylinders. Took...