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1986 Ford Ranger Help

Tiny
KJ_2009_09
  • MEMBER
  • 1986 FORD RANGER
  • 6 CYL
  • 4WD
  • MANUAL
  • 120,000 MILES
I have done almost everything I can think of. I bought an 2.9 motor for an automatic so I switched the fly wheel with the old motor then I replaced the gaskets on the top half, I brought the distributer to top dead center on the compression stroke and timed the engine with a timing light to the proper specs, I have checked the tps, egr, eps, map, and the idle air control valve they all check out good. But still the truck barely wants to run what do I do next.
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Wednesday, March 18th, 2009 AT 6:56 PM

3 Replies

Tiny
RANGERDANGER17
  • MEMBER
  • 224 POSTS
If the engine runs better if you give it gas its the ignition system spark plugs or wires

if it gets worse the more gas you give it its a fuel problem could be fuel pump or filter or injectors try some fuel injector cleaner

also check clogged air filter or clogged exuast pipes

does it smoke any blue smoke is oil white smoke antifreeze

did you have your heads pressure tested the head(s) could be cracked

did you do a compression test

if you have any questions im right here
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Wednesday, March 18th, 2009 AT 7:42 PM
Tiny
KJ_2009_09
  • MEMBER
  • 1 POST
What all does the ignition system consist of on the 2.9?
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Thursday, March 19th, 2009 AT 5:49 PM
Tiny
RANGERDANGER17
  • MEMBER
  • 224 POSTS
Distributor, spark plug wires, and spark plugs
anything else on the ignition either works or it doesnt
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Thursday, March 19th, 2009 AT 7:07 PM

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