P22DB

Cylinder 1 Alternative Fuel Injector Control Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–167 (est.)

Symptoms

Uneven engine operation
Increased fuel consumption
Misfire in cylinder 1
Check Engine Light Illuminates
Reduced engine power

Causes

Malfunction of the alternative fuel injector of cylinder 1
Open or short circuit in control circuit
Poor contact in the injector connectors
Engine control unit (ECU) malfunction
Wiring harness damage

How to Fix

Check the resistance of the injector of cylinder 1
Inspect the control circuit for damage
Check the injector connectors and contacts
If necessary, replace the injector
Check the operation of the engine control unit

Related codes

P22DA P22DC P22DD