Asked by Tech_1 Jun 24, 2016 at 06:42 AM about the 2003 Ford Expedition Eddie Bauer 4WD
Question type: Maintenance & Repair
My expedition would run for a few days then just cut off after a few minutes it would start again, run awhile then cut off again.. installed new fuel pump and filter, Ran good for about 3wks. now wont start at all.. Battery Alternator and Starter all check out fine.
Does it have a fuel regulator, if so this may be bad and need replaced. They are usually found under the glove box.
Auto_Centric answered 8 years ago
Check fuel pressure at the fuel rail use a gauge to read the PSI. If not fuel pressure use a multimeter and check the fuel pump circuit if Ok Have it read for codes, even if the check engine light is NOT on the computer will have stored information and codes. Discount auto stores will read codes for no fee. write them down.
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