P0291

Cylinder 11 Injector A Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Misfire in cylinder 11
Reduced engine power
Increased fuel consumption
Unstable idle
Check Engine light comes on

Causes

Open or short circuit in the injector wiring harness
Cylinder 11 injector malfunction
Problems with the ECU
Poor contact in the injector connector
Corroded or damaged wires

How to Fix

Check the integrity of the injector wiring harness
Check the resistance of the injector of cylinder 11
Inspect connectors for corrosion or damage
Check the power and ground of the injector circuit
If necessary, replace the injector or wiring harness

Related codes

P0201 P0202 P0292 P0300