Yes, had a misfire. one coil pack was not firing replaced it and it's still misfiring scan code p300.
Jul 25, 2021 at 8:18 AM
Engine misfiring, code p300
2008 PONTIAC GRAND PRIX
TANNA JOHNSON
- MEMBER
- 1 POST
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ASEMASTER6371
- ✓ASE Certified Mechanic
- 52,796 POSTS
Good afternoon,
You need to change the module that the coil pack is mounted on. That is what commands the coil to fire off.
https://www.2carpros.com/articles/engine-misfires-or-runs-rough
When we have this failure, we replace all 3 coils and the module together.
Roy
You need to change the module that the coil pack is mounted on. That is what commands the coil to fire off.
https://www.2carpros.com/articles/engine-misfires-or-runs-rough
When we have this failure, we replace all 3 coils and the module together.
Roy
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Jul 25, 2021 at 1:08 PM
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