S-10 & Blazer 1982-2005
The S-10 and Blazer was arguably the most versatile and accessorizable mid-size truck and SUV on the market.
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1991 S-10 Looses Spark

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Old April 9th, 2014, 8:35 PM
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Default 1991 S-10 Looses Spark

I have a 91 S-10 2.5L ... Truck runs for 3-4 minutes the I lose spark, fires back up then shuts back down, I thought it was a fuel problem replaced fuel pump, replaced fuel filter, tested fuel injector, it was good checked with new computer it was also good. replaced coil, cap and rotor button.. Please Help... Any feedback will be helpful. Thank You Rick
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