1995 chevy g20 van cuts spark from coil after about 5 sec of starting
Country: United StatesMake: ChevroletModel: G20Year: 1995Area: Engine
the van was running rough while driving, no power. when the engine is at idle and you go wot it would bog and shut off or stumble. if you let off and ease into the throttle it would go wot. i drove it to the back yard and flushed the radiator. (i know it has nothing to do with the engine running it was just full of rust). i took the tps out to see if it was gummed up but when i got it out i didnt realize that there is no way for any build up to clog it up. now spark cuts out after 5 sec of star
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After the engine cuts out, connect a test light across the pink and white wires at the coil and crank the engine. The test light should flash. Let me know what you find.
ok did it with the plug disconnected and it did not light up. does the plug need to be connected and tested from the back of the plug?
The plug can be disconnected or connected. Try it both ways.
ok i tried it with the plug connected and it lights up until the engine actually starts up and over runs the starter. as soon as it fires what seems like 1 or 2 full cycles the spark cuts out. i have a spark plug tester on the coil wire so i can see when its firing and when its not.
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got power with the switch on
Looks like the problem is going to be the ignition control module in the distributor. Most Autozone stores have a tester and can test this module for you.
Got the ignition control module checked at advance auto and it tested good.
Problem could be a bad pickup coil in the distributor or it could be that the diptributor shaft has become magnetized. Remove the cap and rotor and see if a screwdriver will stick to the distributor shaft like it is magnetized. If it is, the distriburot should be replaced.
screwdriver doesnt stick to any part of the distributor with the key on or off
Take an ohmmeter reading of the pickup coil in the distributor and let me know what you find.
put a new battery in it and everything is working
Thanks for the update.