Question about 1993 Chevrolet Sportvan

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1998 Chevrolet conversion van. Hesitates on the

1998 Chevrolet conversion van. Hesitates on the road when driven awhile, will sometimes cut completely off but when it hesitates the gauges jump and lights on dash and headlights flicker. Sometimes if you let it cool off it will start back up? We Have had it in the shop 4 times and dropped around $1000.oo in it. This is what has been replaced or fixed in it thus far...
Dis cap
Plug wires/plugs
Rotar button
Oil change
Tune up

Manifold gasket
Thermostat
Temperature sensor

Crank shaft position sensor (due to code)

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  • cinnymon1969 Jul 19, 2010

    I wanted to add that the last place we took it to changed the battery cable connectors and it isnt completely stopping or cutting off again yet so that may have fixed the problem with the gauges and lights flickering? But it does still hesitate when at his been driven a while?

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Lol everything but the actual cause of the problem. The big clue here is your gauges. What sensor going bad will cause the gauges to jump? Ask your mechanic that wasted all your money replacing good sensors. Then you may want to find a good mechanic. The problem is a wiring problem. Probably the main hotline running from the ignition to the fuse block. Somewhere in that area. If you have the spark circuit on a scope you would find it flat line when it hesitates.
I dont think it is a short because if it was you would have blown fuses or smoke and or electrical smell. So it has to be an open circuit that would be nearly impossible to find. If I was going to just start replacing things, I would start with the ignition switch and then the fuse block and then any hot wires to and from both elements.

Posted on Jul 19, 2010

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