Question about Cars & Trucks
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Posted on Jan 02, 2017
could be the fuel pump, fuel pump fuse, relay or wiring. Also check the crank sensor on this vehicle. They are known to go bad or come loose causing the vehicle not to start.
Posted on Aug 18, 2009
The ford spec listed in the ford engine control manual is:
General Specifications Item Specification Fuel tank capacity 71.9L (19 gal) Fuel Pressure Hot restart 448-482 kPa (65-70 psi) Key ON Engine OFF (KOEO) 140-415 kPa (20-60 psi) Key ON Engine Running (KOER) 170-280 kPa (25-40 psi)
Are you measuring the fuel pressure with a mechanical gauge or are you using a scan tool . If with a mechanical gauge, does the gauge have an air purge? What symptoms does the vehicle present. If running rough you could have a fuel injector leaking. Are you measuring the fuel pressure with the key on engine off? If so, did you cycle the key a few times? Good luck
Posted on Apr 05, 2011
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