DTC Description

If output voltage of low fuel pressure sensor is higher than 4.5V, ECM sets DTC P25420000.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

Voltage monitoring

1.

Poor connector connection

2.

Short to power in signal circuit of low fuel pressure sensor

3.

Defected low fuel pressure sensor

4.

Defected FPCM

Enable Condition

Engine running

Threshold Value

Output voltage of low fuel pressure sensor is higher than 4.5V

Detecting Time

10 sec

Fail Safe

Engine OFF

No

EGR OFF

No

Torque Limit

No

MIL

Off

Яндекс.Метрика