1998 Chevy silverado will crank but WILL NOT start

30

Asked by Jan 13, 2017 at 10:19 AM about the 1998 Chevrolet C/K 1500 Silverado Extended Cab SB 4WD

Question type: Maintenance & Repair

I have a 98 Chevy k1500 with the 5.7 350 vortec. I
have tried everything to get the truck to start.
Battery is good. It has good compression, fuel, and
fire to the engine. Checked all these last night.
Replaced crankshaft sensor and ignition coil truck
still wouldn't start. Starter is good and fuel pump
does engage. Did a tune up on it last year. New
spark plugs, wires, distributor cap, rotor button.
Changed the fuel filter last week. I am completely
stumped on what to try next.

1 Answer

73,035

So you check the spark? Is it nice and white in color? The thing would run probably if it had fuel pressure. I would check fuel pressure with a gauge up on the Schrader Valve. Fuel pressure should be 56 to 63 lbs. Also just let it sit there once the fuel pressure has built up. Watch the gauge to see if it drops. Should not drop more than 5 lbs. in three min. This is done with the key off.

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