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2003 INFINITI FX45
4.5L V8•AWD•AUTOMATIC•gas
9 active safety recalls on this vehicle — view recalls
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Repairs0Labor478Torque672Fluid7DTC1782Battery1Maintenance0Recalls9
P1141moderate severityPowertrain

Intake Valve Timing Control Position Sensor (Bank 1)

on 2003 Infiniti FX45 4.5L V8 · AWD

What this code means

The intake cam position sensor circuit on bank 1 has a range or performance problem. Related to generic P0341 cam sensor performance codes.

Symptoms

  • Check engine light on
  • Rough running
  • Poor fuel economy

Common causes

  • Faulty cam position sensor bank 1
  • Wiring or connector issue
  • Faulty VVT actuator
  • Timing chain stretch

Diagnostic steps

  1. Scan and confirm code
  2. Check sensor wiring and connector
  3. Monitor cam signal live data
  4. Inspect timing components
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