Ford Truck Enthusiasts Forums - 302 idle problems

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ItsAFord55

10-19-2012 04:54 PM

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.

rla2005

10-19-2012 06:30 PM

Please give us details of this "tune-up" you refer to.

ItsAFord55

10-19-2012 07:19 PM

plugs,cap,rotor,wires,and fuel filter.....iv double checked the firing order

Turxx

10-19-2012 07:22 PM

fix your vacuum leak

rla2005

10-19-2012 07:57 PM

Quote:

Originally Posted by ItsAFord55 (Post 12391293)

plugs,cap,rotor,wires,and fuel filter.....iv double checked the firing order

Did you correctly route the plug wires?
http://www.supermotors.net/getfile/7...ugwires50l.jpg
courtesy of Steve83

rla2005

10-19-2012 07:59 PM

Quote:

Originally Posted by Turxx (Post 12391300)

fix your vacuum leak

That is a valid statement as well. Did you have a high idle before?

ItsAFord55

10-19-2012 11:46 PM

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.

rla2005

10-20-2012 09:35 AM

Verify your plug wire routing, check for codes by running the KOEO tests and CM check.

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