Error code

OBD2 P0065

OBD2P0065
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Air Assisted Injector Control Range/Performance.

Severity

moderateCan drive, but rough idle or stalling may occur.

Summary

P0065 indicates an issue with the air-assisted fuel injector system, which helps vaporize fuel more effectively when the engine is cold. This code affects the intake manifold or related components.

Symptoms

  • Malfunction Indicator Light (MIL) illuminated
  • Rough idle or stalling

Common Causes

  • Faulty air-assist valve
  • Vacuum leaks in the system

Diagnosis

  1. Check if there are any Technical Service Bulletins (TSBs) or recalls for your vehicle.
  2. Inspect the air-assist valve and its connections for proper installation and functionality.
  3. Verify that rubber hoses and metal tubes are not cracked, kinked, or leaking.

Fixes

  • Replace faulty components such as the air-assist valve or vacuum lines

FAQ

What should I do if my MIL is on and I have P0065?

Check for TSBs, inspect the air-assist valve and its connections, and verify that hoses and tubes are not damaged.

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