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1986 Ford F150 Custom Reg Cab

1986 Ford F150
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March 16, 2013, 2:02 pm

Steve P
 

Question: Why won't my truck start when warm?

My 86 f150 will start great and run when cold, but when it warns up it won't start. I will turn over strong, but it just won't fire. I have replaced the ecm and the Icm. What else could it be?


March 20, 2013, 8:27 pm

Tyler O
Expert Mechanic

Check for spark and fuel/injector pulse when it wont start. See whats missing and go from there. It's probably an ignition system component... ignitor maybe?


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