P1152 – Intake Valve Timing Control Range/Performance (Bank 1, Nissan)
Description
The ECM detected a VVT signal outside the expected range on Bank 1.
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View Recommended ScannersSymptoms
- Rough idle
- Poor acceleration
- Hesitation
- Reduced power
- Check engine light
Causes
- Faulty VVT sensor
- Stuck OCV valve
- Low oil pressure
- Timing chain wear
Diagnosis
- Test VVT sensor
- Inspect OCV valve
- Measure oil pressure
- Scan VVT data
Repair
- Replace VVT sensor
- Replace OCV valve
- Restore oil pressure
