Mid 128 Pid 94 Fuel Delivery Pressure; Mid 128-Pid 94 Fuel Delivery Pressure; D7C And D12C; Fault Codes - Volvo TSI Manual

Group 28

MID 128 PID 94 Fuel Delivery Pressure

D7C and D12C

In addition to the fuel pressure, the sensor also measures the fuel temperature.

Fault Codes

FMI 1
Pressure too low.
Conditions for fault code:
•
The voltage on EA27 is below the alarm limit.
Possible cause:
•
Clogged fuel filter.
•
Air in fuel system.
•
Opening pressure too low on overflow valve.
•
Worn out fuel pump.
•
Mechanical fault in sensor.
Reaction from the EECU:
•
Fault code is set.
•
Yellow lamp is requested.
Noticeable external symptom:
•
Yellow lamp lights up.
•
Low power output.
•
Difficult to start.
•
Blue smoke.
FMI 3
Short circuit to voltage or permanent loss of signal.
Conditions for fault code:
•
The voltage on EA27 is below the alarm limit.
Possible cause:
•
Short circuit to voltage, 5 V supply wire
•
Short circuit to voltage, signal wire.
•
Fault in sensor.
Reaction from the EECU:
•
Fault code is set.
•
Yellow lamp is requested.
Noticeable external symptom:
•
Yellow lamp lights up.
FMI 4
Short circuit to ground.
Conditions for fault code:
•
The voltage on EA27 is under 0.08 V.
Possible cause:
•
Break, 5 V supply wire.
•
Break, signal wire.
•
Break, ground wire.
•
Short circuit to ground, 5 V supply wire.
•
Short circuit to ground, signal wire.
•
Fault in sensor
Reaction from the EECU:
•
Fault code is set.
•
Yellow lamp is requested.
Noticeable external symptom:
•
Yellow lamp lights up.
Troubleshooting
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