2012 Pontiac P0301: What It Means & Is It Safe to Drive?
P0301 on the 2012 Pontiac: Cylinder 1 Misfire Detected. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
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What this code means
The PCM has detected a misfire specifically on cylinder 1. Similar to P0300, but pinned to a single cylinder.
Common causes on the 2012 Pontiac
- Worn or fouled spark plug on cylinder 1
- Failing ignition coil or coil-on-plug
- Leaking or clogged fuel injector
- Low compression in cylinder 1
Symptoms
- Check Engine Light (often flashing when misfire is severe)
- Rough idle or shaking, especially at low RPM
- Loss of power under load
Typical fixes
- Replace spark plug and/or coil on cylinder 1
- Test and clean or replace the injector
- Perform compression test and repair internal issues if needed
Repair cost range
For a 2012 Pontiac, repairs for P0301 typically fall between $150 and $900, depending on the root cause and labor rates in your area.
Known issues on Pontiac
Pontiac G6 3.5L/3.9L V6 P0301 is typically a failed coil-on-plug on cylinder 1. On the G8 with the LS2/LS3 V8, P0301 is uncommon—these are extremely robust engines. On the Solstice GXP 2.0T, carbon buildup on intake valves from direct injection can cause misfires.
Most commonly affected models
G6 3.5L/3.9L V6 2006–2010G8 6.0L LS2/LS3 V8 2008–2009Solstice 2.4L Ecotec 2006–2010