C012B

High Pressure Accumulator Pressure Sensor

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Loss of engine power
Increased fuel consumption
Unstable idling
Check Engine Light Illuminates
Engine transition to emergency mode

Causes

Pressure sensor malfunction
Open or short circuit in the sensor circuit
Problems with the sensor connector
Mechanical damage to the fuel rail
Sensor contamination

How to Fix

Check the integrity of the sensor circuit
Inspect the sensor connector for oxidation
Check the pressure in the fuel rail
Replace pressure sensor if necessary
Clean the fuel system if it is dirty

Related codes

P0087 P0190 P0193