cranks but no run (has no fire)


Asked by Sep 16, 2014 at 10:04 PM about the 1996 GMC Sierra 1500 C1500 SL Standard Cab Stepside SB

Question type: Maintenance & Repair

have replaced with new  dist,cap, rotor, wires ,plugs,cam sensor , crank sensor, and
swamped with known to be good map sensor ,coil and ign driver, and ecm, have checked
connectivity all was good grounds that i can find appear to be good, now just scratching
my head?

10 Answers


Is there a anti theft system on the vehicle?

1 of 1 people found this helpful.

use to be a aftermarket one, was running after it was taken off,


Well I'm scratching my head now to.

1 of 1 people found this helpful.

Disconnect or removed? Because since you have done everything else, it seems like the last possibility.


Pull the distributor out and see if there's a gear on the bottom. They break off.


has new dist.old dist was worn to razor edge


Last time I had this problem ground to the bed of truck was left disconnected.Double check all grounds wiggle wires while trying to crank.

1 of 1 people found this helpful.
Best Answer Mark helpful

relocated ground on rear of intake, to back side of the head, wala have spark well almost intermittent spark , but enough to help through a code p0339 , but that was a new crank sensor , replaced the new sensor with another new sensor, fired right up, learned can't trust new parts all the time

3 of 3 people found this helpful.

Glad to hear it.


I am having the exact same problem at the moment.Replaced Coil and Ignition control module ,went ahead and put new plugs and wires while i was at it.Still no fire.Its not in the distributor because theres no fire being supplied from the coil.(My truck is a V6 4.3L)So it only has one primary cell.Gonna try the crank position sensor this evening.Wish me luck!

5 of 5 people found this helpful.

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