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99 vortec 454 random hard start
The shop that did my fuel pump also did the cmp retard. I'll have to check the cap and rotor and the ICM later today- Bowtie89
- Post #14
- Forum: Engine Performance + Maintenance
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99 vortec 454 random hard start
Its had the hard start issue for a couple years. The backfire, stalling out the starter, and running rough for a minute just started.- Bowtie89
- Post #12
- Forum: Engine Performance + Maintenance
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99 vortec 454 random hard start
Hmm ill check the pressure again tomorrow without the bleeder. Ill try having the ICM checked. Could fuel leaking into the intake cause it to backfire and stall the starter out?- Bowtie89
- Post #10
- Forum: Engine Performance + Maintenance
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99 vortec 454 random hard start
Yeah the lower intake gasket was leaking coolant horribly so I did both gaskets, o rings, and the FPR since I had it apart. The fuel pump a reputable shop did, it was low on fuel pressure. Not sure what brand. Everything else I did. The cap rotor plugs and wires I did because mine were mud...- Bowtie89
- Post #8
- Forum: Engine Performance + Maintenance
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99 vortec 454 random hard start
As in checking the rotor or the valves? My next step is to check the cap and rotor and see if they are cracked or something. Yeah its strange that it does it after sitting for a while. Also that its intermittent, some days it won't do it at all. It has the leaky injector symptoms, takes 5...- Bowtie89
- Post #6
- Forum: Engine Performance + Maintenance
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99 vortec 454 random hard start
I just did, no codes- Bowtie89
- Post #4
- Forum: Engine Performance + Maintenance
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99 vortec 454 random hard start
Oh and never had a check engine light on.- Bowtie89
- Post #2
- Forum: Engine Performance + Maintenance
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99 vortec 454 random hard start
Hey all ive read a bunch on forums and found some info but not a situation quite like mine. I've got a 99 k2500 pickup with the 454. It has a random hard start issue. Sometimes it will crank for a second then backfire through the intake and stall the starter out. Try cranking on it again and it...- Bowtie89
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- Replies: 13
- Forum: Engine Performance + Maintenance
