Error code

OBD2 P0024

OBD2P0024
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

'B' Camshaft Position - Timing Over-Advanced or System Performance.

Severity

moderateCan drive, but performance issues and potential long-term damage may occur.

Summary

P0024 indicates that the camshaft position timing is over-advanced or there's a system performance issue on bank 2 (exhaust/right/rear) of the engine.

Symptoms

  • Loss of gas mileage
  • Engine stalling
  • Check engine light
  • Possibly engine failure

Common Causes

  • Poor oil maintenance leading to carbon buildup and filter blockage in VCT/VVT solenoid
  • Incorrect choice of oil product for the specific engine type
  • Faulty camshaft position sensor or wiring issues
  • Loose connections or damaged harnesses

Diagnosis

  1. Use a multimeter to check resistance in the solenoid terminals (7-12 ohms)
  2. Pin test continuity between the valve solenoid and PCM/ECM
  3. Check all engine grounds and clean/tighten harness terminals
  4. Interchange intake/exhaust solenoids if necessary

Fixes

  • Replace faulty VCT/VVT solenoid after cleaning the engine with an appropriate cleaner

FAQ

What is causing my P0024 code?

Common causes include poor oil maintenance, incorrect oil type leading to carbon buildup in VCT/VVT systems, and electrical issues with the camshaft position sensor or wiring.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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