Idle problems

[Twilight Blue]

My motor sputters eraticly and the tachometer jumps everywhere more than the engine does. It sputters and dies, but always starts up again. But the symptoms imediatly return. I am stumped. Stumped like a douglas fir in a logger's jambori. Electric, fuel pump, I don't know. Help?

 

[ethangsmith]

To me, this sounds like a classic case of a failing ignition module. A jumpy tach and stalling and revving are usually the telltale signs. If you have a 1983-1990, it will be the grey rectangular thingy on the distributor. If you have a 1991-1993, it will be mounted on the intake. Replace that and see what it does for you.

 

[glowstang93]

May be the icm (ignition control module) or the coil packs if 91-93. Any CEL light? if so get the code that will help diagnose the problem. Do a search on here for ICM or coil packs, that will give you lots of info.

 

[Jimmy2Times]

Even if your check engine light isn't on, pull the codes. Your symptoms sound like an electronic problem so I'll bet the computer is storing one or more error codes. They will help you pinpoint the problem.

 

[Twilight Blue]

I just got it back from the ford dealer today. It was the coil pack on the distributorless ignition system. Thanks for the help though. I figured it was electric.

 

[Jimmy2Times]

Glad you got it worked out!

 

[glowstang93]

Glad you got it figured out. I know there are some things I can fix for myself and others I can't. When I had the problem, I had my shop diagnose it and then I turned the wrenches to replace the parts. I am curious, if you don't mind me asking, what did Ford charge for the diagnosis and parts?

 

[Twilight Blue]

The part, diagnosis and labor cost a total of about $250.