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  #1  
Old 05-20-2011, 09:33 AM
Searcherwolfe Searcherwolfe is offline
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Default runs 4-6 miles and quits

87 ranger with 2.3 stops running after 4 and 6 miles - runs perfect to that point - no indication of problem before she quits - computer self tests - engine cranks good - timing dead on - new components - distributor, coil, control module, pickup, trans sender, fuel and ecm relay, ECM, temp sensor - high pressure pump and filter - MAP. When it quits it can be 5 hrs before restart - it then runs a little rough like the computer is off time for about a mile and the smooths out. 6 months ago it would shut off and turning the key on and off would restart - got progressively worse - not throwing ANY codes. Truck has 358k Suggestions please.
Andy
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  #2  
Old 05-20-2011, 10:27 AM
Clinton Clinton is offline
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Default Re: runs 4-6 miles and quits

Sounds like it may be getting too hot. Could it be a temp sensor switch?
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Old 05-21-2011, 06:44 AM
Searcherwolfe Searcherwolfe is offline
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Default Re: runs 4-6 miles and quits

Thanks for the response

She has a new temp switch and she is staying in normal op range

it's a puzzlement
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Old 05-21-2011, 10:11 AM
Clinton Clinton is offline
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Default Re: runs 4-6 miles and quits

That is puzzling! Bump for more help!
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Old 05-21-2011, 04:57 PM
Blessed Ranger Blessed Ranger is offline
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Default Re: runs 4-6 miles and quits

I dont know if this will help, we had a forklift at work do the same thing it would run perfect for 15 min. and just die, long story short it was the computer itself, replaced it runs like a clock!
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  #6  
Old 05-21-2011, 05:13 PM
Gumcrew2 Gumcrew2 is offline
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Default Re: runs 4-6 miles and quits

Fuel pump relay
auto shut down relay

had been create same symptom in another vehicle

Doubt it but could be an ECU internal failure slooooowly killing itself from heat.
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'83 Ford Ranger 2.3L 4Spd, Dual Tanks, 195/60R15's, Welded Rear End TOTALLED AT 483,211 MILES
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