Low power 86
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Joined: Oct 2006
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Low power 86
My 86 F150 300 seems to be missing on at least one cylinder.
It is reliable but it shakes like crazy while idling, burns lots of gas(lots of soot on exhaust pipe),and it just doesn't have much pep.Where should I start on a tune-up?....Spark plugs? Vaccum problem?
Any help would be appreciated.
Thanx.
It is reliable but it shakes like crazy while idling, burns lots of gas(lots of soot on exhaust pipe),and it just doesn't have much pep.Where should I start on a tune-up?....Spark plugs? Vaccum problem?
Any help would be appreciated.
Thanx.
Post Fiend
Joined: Mar 2002
Posts: 19,402
Likes: 38
From: Bonita Springs FL
I would definitely start with a full tune up. Plugs, wires, cap and rotor. Then change the air filter. Check your firing order too. On the carb'ed 300's, you could switch two plug wires and it would run well enough to think you had it right, but it would have very little power and would smell like gas. Ask me how I know....
Also I'd check the timing and a vacuum check wouldn't hurt either.
Also I'd check the timing and a vacuum check wouldn't hurt either.
