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Shutting off

  • jesg45
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9 months 3 weeks ago #67902 by jesg45
Shutting off was created by jesg45
Vehicle shuts off after 45 minutes of running, whether running or idling. Like if turning the key off. Then, have to wait about half an hour or so for it to start again. The problem just keeps repeating. Have already replaced a few items like, first gave it a tune-up, 2 bad injectors, one coil, alternator, all related relays, ECM. Even took the central junction box apart, cleaned it out and put it back together. Tested fuel system, good. What I didn't do was replace the diode that's soldered in the printed ckt of the CJB. The veh. is a 2003 Ford Expedition 5.4L Eddie Bauer 2 whl dr with 146k miles.

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  • Chad
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9 months 3 weeks ago #67919 by Chad
Replied by Chad on topic Shutting off
The first thing you need to do is figure out what is missing when it won't run.  Make sure that your coils and injectors are firing. Do you have an RPM signal when cranking?
"Knowledge is a weapon. Arm yourself, well, before going to do battle."
"Understanding a question is half an answer."
I have learned more by being wrong, than I have by being right. :-)
The following user(s) said Thank You: Noah

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