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jwsch
New User
Jul 14, 2011, 1:12 PM
Post #1 of 6
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97 f150 misfireing
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97 ford f150 4.6 v8 is showing codes po301-po303- po307- po308 also catalytic converter on left bank making noise,truck is misfiring, running rough some help please 155k miles
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Hammer Time
Ultimate Carjunky
/ Moderator
Jul 14, 2011, 1:23 PM
Post #2 of 6
(2670 views)
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Re: 97 f150 misfireing
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Sounds like you just need a new truck.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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way2old
Veteran
/ Moderator
Jul 14, 2011, 5:07 PM
Post #3 of 6
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Re: 97 f150 misfireing
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More than likely you need a complete tune up (unless it has been recently completed) including all filters. If the converter is making a noise, the converter needs replaced. With that mileage on it, I would go aftermarket converter on it. We use Midas on our non emergency vehicles. Good luck.
Being way2old is why I need help from younger minds
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zmame
Veteran
/ Moderator
Jul 15, 2011, 9:16 PM
Post #4 of 6
(2642 views)
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Re: 97 f150 misfireing
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these trucks where also famous for coil on plug assembleys in that era
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Discretesignals
Ultimate Carjunky
/ Moderator
Jul 15, 2011, 9:52 PM
Post #5 of 6
(2641 views)
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Re: 97 f150 misfireing
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Don't hold me to this, but I don't think COP was out for the W & 6 Triton engines in 97. They were still using the coil packs and plug wires. I always disliked routing all those plug wires around the alternator. Every time I do one of those I think I am weaving a basket.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Jul 15, 2011, 9:55 PM)
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zmame
Veteran
/ Moderator
Jul 15, 2011, 10:02 PM
Post #6 of 6
(2637 views)
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Re: 97 f150 misfireing
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true, don't work on much older stuff hard to keep track.. wouldn't be a bad idal to pull the coils off and check for cracks too while your at it then.. Look on the bottom side for any obvious cracks and for any on the plastic cover of the coil.. might be hard to see, but you can usally see little rust trails where cracks are.
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