Cranks but Will not start.

Asked by Mar 30, 2017 at 12:21 PM about the 1997 Chevrolet C/K 1500 Silverado Extended Cab LB

Question type: Maintenance & Repair

Motor cranks but will not start. Replaced
tpsensor, iacsensor,mass flow sensor.

2 Answers

74,715

So is it because there is no spark? Or no fuel pressure? Both would need to be checked to see where to look for a problem. Fuel pressure should be 56 to 63 lbs. and check for spark threw one of the plug wires.

65

can you here the fuel pump turn on? miles of vehicle is very important. have you changed fuel filters? crank sensors? if you want to test to hear fuel pump? first go under hood, release the fuel pressure on fuel line, then go into car and turn ignition on but do not start. it must be quiet or have someone lay down by tank and listen for fuel pump to cycle. if fuel pump turns on we go to next check.

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