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Re: FUEL PUMP WoNT GO IN ,,,,
Try to HOLD Pump Against the Engine WHILE ROTATING ENGINE BY HAND WITH A BREAKRE BAR ON the Harmonic Ballancer CENTER BOLT you will Feel it start to Move against the Engine More & More till It is Seated then Put Gasket and Mounting Bolts in then Thighten.
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Have you checked the relay to see if the pump is getting voltage ? If the pump is running, did you change the filter ? Have you checked for fuel pressure at the injectors ? Are you getting spark to the plugs ?
check the fuel pump and see is working properly, if the pump is good than the problems will be the crank sensor is faulty. what crank sensor does it sense the turning of the flywheel and it send a single to ecu, and ecu send a flow of power to turn on the fuel pump as long it sense the flywheel turning.
first of all make sure battery is fully charged auto zone will test batteries for free but if you can get it jumped and running while it is running take the positive side cable off the battery and if it dies then it is the alternator and also look at the condition of the drive belt but if you do all this and the truck does not start spray very little starter fluid in the throttle body if it starts ask yourself when was last time I changed the fuel filter and also have someone to be back by the gas tank to see if you can hear the pump and check out the fuel pump relay which is normally under the hood on the drivers side before changing the fuel pump