1989 Ranger Rough Idle 2.3L
I have a 1989 Ranger, 2.3L, 5 speed. Has very rough idle and only runs well above 2000rpm. The crank sensor went bad several months ago, shortly thereafter the ecm stopped sending injector pulses and was replaced. I recently replaced the wires and installed Motorcraft plugs, trying to fix the rough idle. It didn't help at all. But it runs great with the alternator unplugged!! Really stange. Any ideas?
Had ecm codes 14 & 88
This is an update......
I hooked the alternator up and it sputtered & barely ran until I unhooked the spout connector. Now it runs great (as long as spout connector is unplugged) but I would really like to know whats causing this problem!!
Last edited by dlusery; 05-19-2013 at 06:57 PM.
Reason: update
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