i have a1990 f-250 motor 460 what run fuel injected

Asked by Sep 28, 2013 at 02:23 PM about the 1990 Ford F-250 2 Dr XLT Lariat Standard Cab LB

Question type: Maintenance & Repair

the new inecter are not working

1 Answer
24,995

answered 3 years ago

I would retrieve the DTC's and see what error codes exist. Check your fuses, power supplies and grounds. Could rodents have chewed you wiring harness? There is a long list of possibilities here. The fuel injectors should have 12 volts to them whenever the key is in the run position. The computer provides ground to fire them.

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