Free API
P0372moderate severityPowertrain

Timing Reference High Resolution Signal A Too Few Pulses

on 2006 Mazda MPV 3.0L V6 · FWD

What this code means

The PCM received fewer high resolution timing pulses than expected on signal A. This may indicate a missing tooth on the tone ring or sensor issue.

Symptoms

  • Check engine light on
  • Poor performance
  • Rough idle or misfire

Common causes

  • Damaged or worn tone ring
  • Faulty timing sensor
  • Excessive air gap
  • Wiring fault

Diagnostic steps

  1. Retrieve stored codes
  2. Inspect tone ring for missing teeth
  3. Measure sensor air gap
  4. Replace sensor if defective

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 2006 Mazda MPV 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 Mazda MPV — $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 →