00 4.6 Expedition... starts but shuts off right away - Page 2 - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #11 of 12 (permalink) Old 05-03-10, 03:44 PM Thread Starter
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Re: 00 4.6 Expedition... starts but shuts off right away

Yes I did I have been using it for months like that..... That was my initial thought so I removed the box completely and used the chipped (factory) key in the ignition and it starts and runs fine, then just shuts off.... could upgrading the alternator to a 200amp have even fried the PCM???


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post #12 of 12 (permalink) Old 06-29-10, 07:41 PM
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Re: 00 4.6 Expedition... starts but shuts off right away

Just replaced my alt & had the same thing happen, but i had the air intake hose off (between the filter & TB), put that back on & after a couple times of starting it began to work just fine. I had to pull the hose in order to get the Alt off & it has what seems to be an Air temp sensor on the upper back side, could this be unplugged?
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