P0467 low

EVAP Purge Flow Sensor Circuit Low

The P0467 code means the vehicle's onboard diagnostic system has detected: EVAP Purge Flow Sensor Circuit Low. This is a low severity code.

My Garage →
Keep driving?
Yes, but fix soon
DIY difficulty
moderate
Estimated cost
$80 - $300 (parts and labor)
Try This First ($8 Fix)
Stant 10838 OE Fuel Cap

A cracked or loose gas cap causes 60%+ of EVAP codes. This $8 replacement clears P0442, P0455, and P0457 more often than any other repair.

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Find the Leak
THIKPO Automotive Smoke Machine

If a new gas cap does not clear it, the leak is somewhere in the EVAP plumbing. A smoke machine finds the exact leak -- a cracked hose, bad seal, or stuck vent valve -- in minutes instead of guessing at parts.

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Clear the Code
ANCEL AD310 OBD-II Scanner

Clear the code after the repair. If the light stays off after 50 miles, you just saved $200+ in shop fees.

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Common Symptoms

  • Check Engine Light on
  • No noticeable performance issues
  • EVAP system diagnostics fail
  • Possible fuel odor near vehicle

Probable Causes (Ranked by Likelihood)

  • Short to ground in purge flow sensor wiring Very High
  • Failed purge flow sensor (shorted) High
  • Corroded connector Moderate
  • PCM input fault Low

Step-by-Step Diagnostic Procedure

  1. Read purge flow sensor voltage. Below minimum spec confirms low circuit.

  2. Disconnect sensor and check for short to ground.

  3. Inspect connector for corrosion or moisture.

  4. Replace sensor if internally shorted.

Frequently Asked Questions

What does circuit low mean on the purge flow sensor?

The PCM receives a voltage below the normal range, typically from a short to ground in the wiring or a failed sensor.

Is P0467 urgent?

No, it is a low-severity EVAP monitoring code. The vehicle drives normally; only emissions testing is affected.

Can water cause P0467?

Yes, water intrusion into the sensor connector can short the signal to ground, especially on sensors mounted low on the vehicle.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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