P2E61
Alternative Fuel Misfire Detected With Low Fuel
Misfire detected during alternative fuel operation with low tank level. Possible fuel starvation or pressure regulation off.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Symptoms
- Check engine light on or flashing
- Rough idle and uneven running
- Power loss, hesitation under acceleration
- Increased fuel consumption
- Possible smell of unburned fuel from exhaust
Common causes
Ordered by how often each turns out to be the cause.
- Alt fuel tank near emptyCommon
- Pressure regulation unstable at low levelPossible
Parts involved
- Alt Fuel Injectors
- Alt Fuel Rail
- Ignition Coils
P2E61 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.