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

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 89,600 (54,000–130,000)
2 model years affected: 2007, 2008
7 people reported this problem
Viewing 1 - 4 of 4 comments
P0304 code
I have no spark on cylender 1 and 3 I have changed plugs and coils
shekin motor low
misfire from coil