Question about 1991 Chevrolet S-10
No spark. Have a '91 S-10 4.3L Auto, 126k miles. Drove to work, ran fine. End of the day, truck won't start. Replaced rotor, cap and coil. Still no spark. Good gas. Tank 3/4 full. Battery is good, cranks fine, just won't fire.
Check crank position sensor, run scanner for trouble codes , some auto parts will do this for free
Posted on Sep 27, 2009
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Posted on Jan 02, 2017
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