Free API
1.5L I4 TurboFWDCVTgasturbo
6 active safety recalls on this vehicle — view recalls
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
P0065moderate severityPowertrain

Air Assisted Injector Control Range/Performance

on 2018 Honda Accord 1.5L I4 Turbo · FWD

What this code means

The air-assisted injector control system is performing outside its expected range. This can affect fuel atomization and cold-start emissions.

Symptoms

  • Check engine light on
  • Rough cold start
  • Increased emissions

Common causes

  • Faulty air-assist control valve
  • Vacuum or air leak
  • Wiring or connector fault
  • Failed PCM driver

Diagnostic steps

  1. Scan and record freeze frame
  2. Inspect air-assist plumbing for leaks
  3. Test control valve operation
  4. Check wiring and connectors

Other Powertrain codes on this vehicle

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.
Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
⚠ STILL BEHIND THE PAYWALL
The 2018 Honda Accord repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.
Sponsor the Honda Accord — $99 →
Building an app?
Free API access to all this data — 10 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →