Pre-1997 Models

86'f150 Has No Power

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Old 09-03-2007, 02:49 PM
RAY FROM L.I.'s Avatar
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86'f150 Has No Power

Guys
I Own A 86'f150..5.0 Auto W/73,000 Original Miles. The Truck
Is Mint. I Bought F/ Original Owner. The Truck Is Hard Starting, Has
To Warm Up Before You Move, Stalls Often. Has Very Little Power
When Driving. Had Tune Up Done..plugs, Wires, All Filters, Still Has
No Power. Runs Quite , Idle Is Very Low. When You Try To Pass Another And Give It Gas, It Hesitates And You Have To Give It More Gas. Any Idea's...gas Filter ?
Ray K
 
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Old 09-03-2007, 09:30 PM
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Howdy and welcome to the basement!

First step is to pull the computers OBD1 codes. If you don't know how, some autozones can read OBD1, or you can DIY by following the test procedure at www.fordfuelinjection.com

Adrianspeeder
 
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Old 09-03-2007, 10:21 PM
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How about making pulling the codes the second thing you do?

Do a compression test first. If you have a problem there, nothing else you do is going to make it right.
 
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Old 09-04-2007, 04:22 PM
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Keep the exhaust in mind. A clogged muffler or Cat will give you those same symptoms. It'll idle good but lose power under accel.
 



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