missing till warm

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missing till warm

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Chevrolet >> Chevy Trucks, Vans & SUV's >> Silverado >> missing till warm

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missing till warm - 7/4/2008 9:02:02 PM

gmag69

Posts: 5
Joined: 6/3/2008
Status: offline

I picked up a 95 K1500 with a 350 auto last month.After the truck has set for the night and you start it up it misses real bad.Bad enough to shake the whole truck. You have to give it gas until it has run for a few minutes it smooths out and you''d never know it did it. I changed the plugs and it has gotten worse. I will be replacing the wires soon also. Anyone have this problem here? Could it be the cap and rotor? I thought I''d ask before I started changing everything. I don''t want to change stuff that don''t need to be. Thanks for any help in advance.

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RE: missing till warm - 7/7/2008 4:46:22 AM

jmack91z28

Posts: 164
Joined: 2/27/2008
Status: offline

What kind of plugs did you put in it?

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1994 K2500 454 4L80E 14bolt 10.5" w/ 4.10's

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RE: missing till warm - 7/7/2008 1:54:18 PM

ehhget

Posts: 360
Joined: 1/22/2008
Status: offline

That sounds like it could be a fuel issue. I would check your fuel pressure on the passenger side fuel rail there should be a schraeder valve you can put a guage on. Also see if you can hear the pump prime when you turn your key on or you can check the prime hole with a test light in your fuse box.

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01 Silverado 5.3L 4X4
01 Camaro SS LS1 SLP
70 Nova SS 350

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