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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

key off engine still runs

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Old May 19, 2013 | 07:46 PM
  #1  
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mike L
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From: va
key off engine still runs

What would cause the engine to still run for a few minute after the key is turned off?
 
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Old May 19, 2013 | 08:06 PM
  #2  
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JWC 3
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From: Tennessee
A sticking relay , faulty diode , ignition switch . I had to replace a headlamp switch on a ranger once for that problem . Sounds strange , I know . Find it by pulling fuses and relays one at a time ( while problem is happening ). When one kills the engine trace from there .
 
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