FUEL PRESSURE SENSOR INSPECTION [MZ-CD 1.6 (Y6) (EURO5 emission level)]


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Caution
•  Water penetrating the connector will cause sensor malfunction. To prevent this, be careful not to damage the wiring harnesses or the waterproof connector so as to cause water penetration.

Voltage Inspection

1.  Start the engine and warm up the engine completely.

2.  Measure the voltage between fuel pressure sensor terminal C and body ground.

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•  If it is not as specified, replace the common rail

Fuel pressure sensor signal voltage (reference)

Engine speed (rpm)

Voltage (V)

KOEO
Approx. 0.5
KOER (Idle)
Approx. 1.1
KOER (2,000)
Approx. 1.9