1998 Chevy 1500 4x4 350 5.7

Asked by Countrywide09 Jan 03, 2017 at 04:59 PM about the 1998 Chevrolet C/K 1500 Silverado 4WD

Question type: Maintenance & Repair

I am having trouble trying to figure out why my
trucks not starting I've changed the coil pack
changed the ICM and I've done rotor cap and
button also stuck a screw driver in the plug wire to
see if I have spark and also put gas in the carbrator
and fuel pump is on and changed the fuel filter
also every time it rans it does this then some times  
it will start after I mess with it for a while

1 Answer
221,175

Rowefast answered 7 years ago

Do you have spark then? You may have a fuel problem, I would check the fuel pressure with a gauge and also do a bleed down test. You build up pressure on the gauge, turn the key off and watch the gauge to see if it drops. Should not drop more than 5 lbs in 3 minutes. If it does then the spider injection is leaking and would need to be replace. Fuel pressure on that one is 56 to 63 lbs. You get under 50 lbs and she will not start.

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