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1981 Other Ford Models engine runs rough

Tiny
WRKSUKS
  • MEMBER
  • 1981 FORD
Engine Performance problem
1981 Other Ford Models 6 cyl Two Wheel Drive Automatic

I have an '81 Ford F100 with a 300 6cyl. Yesterday it started missing and otherwise running very rough at idle and driving speeds. I have recently changed the plugs and wires, distributor cap and rotor, performed oil change, etc. It was running fine after all that work. I checked the plugs and they were gapped correctly but fouled after only two weeks in operation. I am getting spark at the plug wires and I tried blocking the egr valve with no effect. Not sure where else to look, again the truck was running beautifully and started acting up while I was driving it.
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Friday, March 27th, 2009 AT 10:34 AM

2 Replies

Tiny
BILLYMAC
  • MECHANIC
  • 2,204 POSTS
Sounds like ignition control module on fender
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Monday, March 30th, 2009 AT 3:46 PM
Tiny
CHRIS_FAULKNER
  • MEMBER
  • 5 POSTS
Possibility. $10 part. Also check u'r ignition coil next to the distributor, it may be failing.
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Friday, February 12th, 2010 AT 12:20 AM

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