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
