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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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Old 10-19-2012, 05:54 PM
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302 idle problems

i did a tune up on my 1991 f150 acouple weeks back and sinse i did it it started having a rough idle but it drives perfect. just when you are idling it has a stutter to it. It also likes to go to high idle even after youv been driving it the same day.
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Old 10-19-2012, 07:30 PM
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Please give us details of this "tune-up" you refer to.
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Old 10-19-2012, 08:19 PM
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plugs,cap,rotor,wires,and fuel filter.....iv double checked the firing order
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Old 10-19-2012, 08:22 PM
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fix your vacuum leak
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Old 10-19-2012, 08:57 PM
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Quote:
Originally Posted by ItsAFord55 View Post
plugs,cap,rotor,wires,and fuel filter.....iv double checked the firing order

Did you correctly route the plug wires?
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courtesy of Steve83
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Old 10-19-2012, 08:59 PM
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fix your vacuum leak
That is a valid statement as well. Did you have a high idle before?
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Old 10-20-2012, 12:46 AM
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yes it had the high idle before too but its only when you first start it up. it could just be going up to high idle but its weird tht it does it every time.
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Old 10-20-2012, 10:35 AM
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Verify your plug wire routing, check for codes by running the KOEO tests and CM check.
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Old 10-20-2012, 10:35 AM
 
 
 
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