P2C27

Fuel Injector Group B Supply Sense Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Power Loss
Check Engine Light Illuminates
Misfires

Causes

Open or short circuit in the sensor circuit
Fuel sensor malfunction
Wiring harness damage
Contact corrosion
Engine control unit malfunction

How to Fix

Check the sensor circuit for open circuit and short circuit
Check the condition of the fuel supply sensor
Inspect the wiring harness and connections for damage.
Clean contacts from corrosion
If necessary, replace the sensor or engine control unit

Related codes

P2C26 P2C28 P0200