Error code

OBD2 P0264

OBD2P0264
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Cylinder 2 Injector Circuit Low.

Severity

moderateCan drive, but performance issues and potential engine damage may occur.

Summary

P0264 indicates a low voltage issue with the fuel injector circuit for cylinder 2 in the powertrain system.

Symptoms

  • Engine knock or detonation
  • Reduced engine performance, especially during acceleration
  • Decreased fuel efficiency

Common Causes

  • Faulty fuel injector (cylinder 2)
  • Corroded or loose electrical connectors in the circuit
  • Short circuits or open circuits in the wiring harness
  • PCM (Powertrain Control Module) malfunction

Diagnosis

  1. Inspect electrical connectors for corrosion or looseness
  2. Check wiring harness for any signs of damage or wear
  3. Use a voltmeter to check if the fuel injector is receiving power
  4. Listen for clicking sounds from the fuel injector while engine is running

Fixes

  • Replace faulty fuel injector or clean it with a direct injector flushing kit

FAQ

What should I do if my Check Engine light comes on with P0264?

Inspect the electrical connections and wiring first, then check if the fuel injector is receiving power. If issues persist, consider cleaning or replacing the faulty fuel injector.

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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