95 GMC 4.3L V^ 90 Deg CPI will crank but no spark

Asked by Feb 22, 2016 at 02:47 PM about the 1995 GMC Safari 3 Dr SLE Passenger Van Extended

Question type: Maintenance & Repair

95 GMC 4.3 will crank but no spark at distributor or coil.  replaced rotor and cap. 4.3 doesn't have crank sensor.

7 Answers

50,445

Probably the Ignition Control Module in the distributor. That or the coil itself. If you take them off and go to Auto Zone they can test them to see which is bad.

Ignition Control Module was checked and it passed. I have been able to start the vehicle in 2 occasions, after moving the shifter around and then placing it in Park.

50,445

That kinda don't make sense but it is a clue. This indicates the neutral safety switch. But if it was off, (out of alignment) the starter would not get power to the small wire to engage the starter. And the ignition switch is what runs the power to the small wire on the starter. So something doesn't make sense there, unless you are having problems engaging the starter to turn the engine over.

i am having the same problem we have changed a everything for sparking but still nothing

50,445

So what is everything? What items.

From the icm to the fuel pump coil cap rotor spark plugs, wires knockk sensor map sensor checked all the wires

50,445

Need to check to see if the coil is getting voltage, possible ECU.

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