Replace spark plugs every 100,000 miles on Pontiac G6

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

3.5L and 3.9L V6 engines only
The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.

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Pontiac G6 vehicles with this problem

1 model year affected

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