Ignition Module or Coil May Fail Causing Engine Misfire on Pontiac G5

Submitted by Vehicle Owner · May 29, 2025

Published by RepairPal

Problem overview

The ignition module or an ignition coil may fail causing the engine to misfire which can cause the Check Engine Light to illuminate or begin flashing.

11 people reported this problem

6 comments

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Pontiac G5 vehicles with this problem

2 model years affected

Average mileage: 108,049 miles

(54,000 - 177,348)

Repairs related to this problem

Ignition Coil Replacement

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Ignition Module or Coil May Fail Causing Engine Misfire on Pontiac G5

Problem overview

Pontiac G5 vehicles with this problem

Need a diagnosis? Trust our Pontiac experts.

Search for another problem

Ask our experts about your Pontiac.

Need a diagnosis? Trust our Pontiac experts.

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