4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

Engine does not shut off

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Old Jun 28, 2025
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TL's Avatar
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Engine does not shut off

Engine will not shut off even with the keys out of the ignition. Replaced the ignition switch and it did not correct it anyone else have this issue?
 
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Old Jun 28, 2025
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Georgeandkira's Avatar
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From: Hackensack, Nj
Is it running now?
The replacement ign. key cylinder could be not tested and bad from the box.
The starting relay's run circuit could be stuck.

Were there any odd occurrences leading up to this?
 
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Old Jun 28, 2025
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Is it dieseling?
 
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Old Jun 28, 2025
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I replaced the ignition switch not the ignition cylinder with the key. It starts and runs fine
 
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Old Jun 29, 2025
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From: Hackensack, Nj
"It starts and runs fine". So, how have you been shutting it off?

edit: When it runs on, how long will it go on for?
 
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Old Jun 29, 2025
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Again.... is it dieseling?
 
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