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2006 LEXUS GS 430
4.3L V8•RWD•AUTOMATIC•gas
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Repairs0Labor478Torque2122Fluid8DTC1846Battery1Maintenance0Recalls0
P1346moderate severityPowertrain

VVT Sensor / Camshaft Position Sensor Circuit Range/Performance

on 2006 Lexus GS 430 4.3L V8 · RWD

What this code means

The variable valve timing sensor or camshaft position signal is out of range. Timing correlation between cam and crank may be off, affecting VVT operation.

Symptoms

  • Check engine light on
  • Rough idle
  • Reduced power

Common causes

  • Faulty VVT/cam position sensor
  • Timing correlation error
  • Wiring or connector fault
  • Low or dirty oil affecting VVT

Diagnostic steps

  1. Read cam/crank correlation data
  2. Inspect VVT sensor and connector
  3. Check engine oil condition and level
  4. Replace sensor if out of spec
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