I have 2000 gmc jimmy that won't start?


you've got basics.spark, fuel, air,compression. people have fuel pressure unscrewing cap on port check fuel pressure,and pushing schader valve,and gas comes out. problem is,it takes minimum 55 psi. fuel pressure open poppet nozzles in fuel injection system when first started cold. if don't have gauge , hear fuel pump run, turn ignition key on , off several times waiting 10 seconds in between. prime fuel system build pressure , may start. luck!

its 4.3 vortec efi, need plug wires, distributor , roatery button, , have gas in it, turn on day long won't hit lick, have no clue what's wrong help?


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