P018C

Fuel Pressure Sensor B Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Power Loss
Check Engine Light Illuminates
Switching to emergency mode

Causes

Fuel pressure sensor B malfunction
Open or short circuit in wiring harness
Poor contact in the sensor connector
Problems with power or ground of the sensor circuit
ECU malfunction

How to Fix

Check the integrity of the sensor wiring harness
Check the contacts in the sensor connector
Measure resistance and voltage at the sensor
Replace fuel pressure sensor B if necessary
Reset the error and check the system operation

Related codes

P018B P018D P0190 P0191