P2C26

Fuel Injector Group B Supply Sense Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Power Loss
Check Engine Light Illuminates
Problems starting the engine

Causes

Open or short circuit in the sensor circuit
Malfunction of the fuel supply control sensor
Problems with the engine control unit
Oxidation of contacts in connectors
Wiring harness damage

How to Fix

Check the integrity of the sensor circuit
Inspect connectors and contacts for oxidation
Check the functionality of the sensor
Scan the control unit for errors
If necessary, replace the sensor or repair the wiring

Related codes

P2C25 P2C27 P2C28