P22E3 code meaning
Cylinder 3 Alternative Fuel Injector Control Circuit High
Powertrain system Generic code P22xx codes Check engine light
What P22E3 means
P22E3 tells that the cylinder 3 gas injector circuit is held high. TransEco Energy's AFCM list names a short to power, MIL on for bi-fuel use, and Ford's 2014 code list also ties P22E3 to the MIL. With the line stuck at supply voltage the injector cannot be switched on, so cylinder 3 gets no gas and misfires lean. In GM's bi-fuel Silverado layout the ECM calculates the pulse widths while a separate fuel injector control module passes them to the gas injectors, so the fault can sit in the wiring between that module and the injector, in the injector itself, or in the module output. Gasoline operation remains normal. P22E2 is the low side and P0268 the high-side code of the gasoline injector.
P22E3 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyMedium
- Typical labor0.5 to 3 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P22E3
- Malfunction indicator lamp on
- Lean misfire on cylinder 3 in gas mode, often with P0303
- Noticeable loss of power on gas
Common causes of P22E3
- Most likelyCylinder 3 control wire shorted to a 12 V feed
- PossibleShorted turns in the cylinder 3 gas injector
- Less likelyFaulty output of the injector control module
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Alternative fuel injector
What each part of P22E3 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| 2 | Area: fuel and air metering (injector circuit). |
| E3 | The exact fault in that area. |
What to do next
- Note P22E3 and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P22E3
What does P22E3 mean?
P22E3 means "Cylinder 3 Alternative Fuel Injector Control Circuit High". P22E3 tells that the cylinder 3 gas injector circuit is held high. It is a generic code, so it means the same on every make.
Is it safe to drive with P22E3?
Drive gently and only to a workshop. With P22E3 the car can go into limp mode (reduced power) to protect itself.
Will P22E3 fail an emissions test?
Yes, it can. P22E3 is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P22E3 to fix?
Difficulty: medium. A typical repair takes 0.5 to 3 hours of work. This is a job for a workshop.
Will P22E3 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.