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Cylinder 2 was dead, I swapped only the 1&2 spark plugs and the problem...

(1990 Chevrolet Corsica)
in Farmington, MO on April 23, 2018
cylinder 2 was dead, I swapped only the 1&2 spark plugs and the problem moved to cyl1, so I thought it must be a bad spark plug,... then I swapped only the 1&2 spark plug wires and cyl1 remained dead, then I swapped the wires back... the cyl1 wire is sparking when removed from the spark plug, the cyl1 plug is sparking when the wire & plug assy are removed from the cylinder chamber. can it be a bad plug even tho it is sparking??
Tags: chevrolet, corsica
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Popular Answer
on April 23, 2018
The plug could still be bad and causing a weak spark. Start by replacing them all and if the wires are old you should do those as well. This is more of a complete tune up for the ignition.

Alex
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on April 24, 2018
thank you, you were right of course, it runs much better now!
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