P02EF
Cylinder 2 Injector Circuit Range/Performance
Generic OBD-II
Real-world scan data
Seen in
278
scans in the past year
Found in
<0.1%
of scans
0.1%
of scans that found faults
Appears alongside · share of P02EF scans
Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.
Common symptoms
What you'll notice
- Check the wiring and connections for any loose or damaged wires or connectors related to the cylinder 2 injector circuit.
- Inspect the fuel injector for any clogs or blockages that may be affecting its performance.
- Clean or replace the fuel injector if necessary to improve its range and performance.
- Check the fuel pressure and ensure it is within the recommended range for the vehicle.
- If all else fails, consider replacing the fuel injector to resolve the cylinder 2 injector circuit range/performance issue
Common causes
Most likely first
- Faulty cylinder 2 fuel injector
- Fuel injector circuit wiring harness issue or connection problem
- Engine control module (ECM) malfunction
- Low fuel pressure in the fuel system
How to diagnose & fix
Work through it in order
- Rough idle or stalling
- Engine misfires or hesitates
- Poor fuel efficiency
- Check Engine light illuminates
- Loss of power while accelerating
Read & clear P02EF yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.