Question about 1994 Chevrolet Lumina APV

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Will always start when cold,but when warmed up, will sometimes not fire. After then waiting appro 5 miutes, will invarably start

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  • jaybyrdn91 May 11, 2010

    sounds like the coil is overheating creating to high of resistance for voltage to overcome and fire plug. When it cools down the resistance is lessened and saturation of coil can fire and overcome resitance. Resistance is directly related to temperature. As temperature decreases so does resistance and vice-versa.

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  • 47 Answers

Chech the ignitoin module in the distributor...if it has a distributor. if not could be a coolant temp sensor reading wrong and flooding the engine, sorry but i cant remember of you car has a distributor or not. might also be worth 25$ to have a code reader hooked up or buy your own...there are lots of sensors and it is much cheaper to find the wright one with a reader rather than process of elimination.

Posted on Jun 28, 2009

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