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Old 08-30-2012, 09:51 PM
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I have a 90 f150 it have a 5.0 liter .it seem to be jerking .i tuned her up both fuel pump or new but the jerking is still there .what could it be ? by the way it has 2 tanks .no cel is on.

Last edited by scf150lover; 08-31-2012 at 08:31 AM.
Old 08-30-2012, 11:53 PM
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Originally Posted by scf150lover
I have a 90 f150 it have a 5.0 liter .it seem to be jecking .i tuned her up both fuel pump or new but the jecking is still there .what could it be
Ok first off. Jecking? Or jerking? You tuned it up and replaced both pumps? As in you have dual tanks? Or the frame pump and in tank pump?
Old 08-31-2012, 09:21 AM
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Try cleaning the Idle Air Control Valve. That solved my jerking / missing problem.
Old 09-01-2012, 02:17 PM
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just cleaned the ldle air control valve still jerking

Last edited by scf150lover; 09-01-2012 at 02:19 PM.




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