P01A6

Alternative Fuel Rail Pressure Sensor Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Reduced engine power
Check Engine Light Illuminates

Causes

Fuel rail pressure sensor malfunction
Open or short circuit in wiring harness
Problems with the fuel pump
ECU malfunction

How to Fix

Check the fuel rail pressure sensor for damage.
Check the integrity of the wiring harness and connections
Check the operation of the fuel pump
If necessary, replace the sensor or wiring harness
Reset the error and check if it returns

Related codes

P01A5 P01A7 P0190