ok need some help!
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Freshman User
Joined: Sep 2007
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ok need some help!
found a 86 f-150 with a 302.says it runs awesome til it warms up.then runs really rough.is there anything these things had problems with that would cause this?thinking about buying it.but would have to drive it 2hrs home.thanks
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Joined: Oct 2006
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could be a vacumn leak, mine did this but only when warm. The front corner mount of the carb was cracked so as the metal expanded with heat it would push the carb upwards a tiny bit.
edit: It would be efi but it could have somthing to do with metal warping
with heat
edit: It would be efi but it could have somthing to do with metal warping
with heat
Last edited by bob_351; Feb 2, 2008 at 08:13 PM.
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Joined: Jan 2001
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From: Virginia
It depends on what engine it had. If I where to guess from the problem you described, it's probably a fuel injected 302, and it runs rough when the computer goes into closed loop mode. If you like piddling with wiring and don't mind learning about fuel injection, you probably can fix it. If it is fuel injected, here's a site you can study to see what you will be getting into. www.fordfuelinjection.com
