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86 F150 not starting when hot

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Old Aug 30, 2000 | 01:25 PM
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86 F150 not starting when hot

I have a 86 F150 5.0. when the engine is hot and sits for 20 minutes or more the engine is hard to start. Less than 20 minutes the engine starts right up. After 20 minutes it usually takes 3 tries of the starter 5 sec. each.
 
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Old Aug 30, 2000 | 11:28 PM
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86 F150 not starting when hot

Ok , Is the problem its hard to start because it cranks slower when hot , or does it crank normally when hot & slow to start ? Its possible the starter is suffering from the exhaust heat if the starter seems to drag ? Check all the electrical connections associated with the battery , starter .How old is the battery & how many CCA ?
 
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Old Aug 31, 2000 | 07:36 AM
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86 F150 not starting when hot

The starter turns over normal when hot , the engine is slow to start. The battery is 1 month old 750 cca.
 
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Old Aug 31, 2000 | 10:24 AM
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86 F150 not starting when hot

 
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Old Sep 2, 2007 | 07:22 PM
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I have an 86 f150 and it wont start. It was starting fine until I replaced the coolant temperature sensor.
 
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Old Sep 2, 2007 | 08:45 PM
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Did you replace the two wire sensor for the computer, or the single wire sensor for the guage?
 
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Old Sep 2, 2007 | 08:49 PM
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i replaced the two wires for the sensor. The truck was running before I replaced the sensor and since i replaced it, the truck will not run at all even with the old sensor.
 
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