P22DA

Cylinder 1 Alternative Fuel Injector Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–167 (est.)

Symptoms

Unstable engine operation
Power reduction
Increased fuel consumption
Engine transition to emergency mode
Check Engine light comes on

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
Problems with injector power supply

How to Fix

Check the condition of the alternative fuel injector of cylinder 1
Check the integrity of the control circuit and the condition of the connectors
Measure the injector resistance
Check the power and ground of the injector circuit
If necessary, replace the injector or repair the wiring

Related codes

P22DB P22DC P22DD