98 7.4 cranks 20 sec. before starting

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jefpmar

08-11-2004, 04:59 PM

Any ideas?Pump is 1 year old.Filter is 1 month old.4 new o2 sensors.115k
on truck.HELP!!!! I'm ready to drop it off @ the dealer.

Thunderbolt

08-12-2004, 12:31 AM

It sounds like the fuel pressure regulator.

Jeremy-WI

08-12-2004, 08:19 PM

can you hear the pump start when you turn the key on? If you can't try swapping relays