Just replaced the 5.0 on my F-150. Now I have erratic idle and it feels/smells like it's flooding but it's EFI.Check eng light and rear antilock light I never had before. Suspect timing? Not sure

Asked by Aug 14, 2014 at 12:55 AM about the 1988 Ford F-150 XLT Standard Cab 4WD LB

Question type: Maintenance & Repair

1988 fuel injected Ford F-150 5.0 liter
with air injection. Hard starts and
delayed throttle response. Verified
timing and re checked vacuum lines.
Out of ideas. Please advise.

1 Answer

60,875

Check the fuel pressure regulator as well as the vacuum and vapor lines for the EVAP system. If you have a vacuum hose routing diagram double check those vacuum lines first. Since you're smelling gas that'd be where I'd look first. HTH. -Jim

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