OBD-II code · Powertrain (generic, extended)
P22E1 Cylinder 3 Alternative Fuel Injector Control Circuit/Open
The drive circuit for the cylinder 3 alternative-fuel injector is open. Bi-fuel vehicles have a second set of injectors for CNG, LPG, or hydrogen — separate from the petrol/diesel injectors.
Is it safe to drive with P22E1?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyInjector winding open
- Less likelyPin pushed back out of connector body
- Less likelyCracked solder joint inside the module or sensor
Symptoms
- Check engine light on
- Misfire or rough idle on the affected cylinder
- Increased fuel consumption
- Possible fuel smell or smoke from exhaust
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Likely to fail
- Parts involved
- Alternative Fuel Injector
Related codes
- P22D9Cylinder 1 Alternative Fuel Injector Control Circuit/Open
- P22DDCylinder 2 Alternative Fuel Injector Control Circuit/Open
- P22E5Cylinder 4 Alternative Fuel Injector Control Circuit/Open
- P22E9Cylinder 5 Alternative Fuel Injector Control Circuit/Open
- P22EDCylinder 6 Alternative Fuel Injector Control Circuit/Open
- P22F5Cylinder 8 Alternative Fuel Injector Control Circuit/Open
- P22DECylinder 2 Alternative Fuel Injector Control Circuit Low
- P22DFCylinder 2 Alternative Fuel Injector Control Circuit High
- P22E0Cylinder 2 Alternative Fuel Injector Control Circuit Range/Performance
- P22E2Cylinder 3 Alternative Fuel Injector Control Circuit Low
- P22E3Cylinder 3 Alternative Fuel Injector Control Circuit High
- P22E4Cylinder 3 Alternative Fuel Injector Control Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.