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Fuel pump?

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Old Nov 25, 2024 | 05:56 PM
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LouieTheLizard's Avatar
LouieTheLizard
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Fuel pump?

2003 F150 4.6 triton, fuel injected . Turns over, but won't start.. Had to replace fuel pump a year ago with same symptoms. Do I need to replace pump again?
 

Last edited by LouieTheLizard; Nov 25, 2024 at 05:58 PM.
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Old Nov 25, 2024 | 07:00 PM
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Could be several different causes. Check fuel pressure.

"Turns over, won't start" is not very detailed. What is the THEFT light doing?
 
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Old Nov 25, 2024 | 07:46 PM
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Theft light quickly flashes. About 2 per second.
 
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Old Nov 25, 2024 | 08:12 PM
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Sounds like a PATS problem, that's what the light does when the wrong key is tried. Make sure that you have the correct chipped key, and no other large metal objects or other chipped keys are on your key ring. Let the light settle down (takes about 15 minutes after using the wrong key) to one flash every two seconds, normal operation, and try again,
 
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