P1188 – Fuel Pressure Sensor Circuit (Nissan)

Description

The ECM detected an electrical malfunction in the fuel pressure sensor circuit.

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Symptoms

Poor acceleration
Hesitation
Long crank time
Check engine light

Causes

Open or shorted wiring
Faulty pressure sensor
Connector corrosion
ECM driver fault

Diagnosis

Check wiring continuity
Inspect sensor
Check connectors
Scan live data

Repair

Repair wiring
Replace pressure sensor
Clean connectors