Audi P1472: EVAP Emission Control Leak Detection Pump Circuit Short to Ground

Is your scanner showing Audi P1472?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Audi P1472: EVAP Emission Control Leak Detection Pump Circuit Short to Ground

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$350-$550
Can I Still Drive?
:
Yes (Short-term only)

What Does The Audi P1472 Code Mean?

This code indicates the condition that key on, KOEO Self-Test enabled, and the ECM detected an unexpected voltage condition on the EVAP emission control leak detection pump circuit.

What Are The Potential Causes Of The Audi P1472 Code?

Below are some potential causes of this DTC:

  • Leak Detection Pump has failed
  • EVAP canister system has an improper or broken seal
  • Evaporative Emission (EVAP) canister purge regulator valve 1 is faulty
  • Hoses between the fuel pump and the EVAP canister are faulty
  • Fuel filler cap is loose
  • Fuel pump seal is defective, faulty or otherwise leaking
  • Hoses between the EVAP canister and the fuel flap unit are faulty
  • Hoses between the EVAP canister and the evaporative emission canister purge regulator valve are faulty
  • ECM has failed

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> Audi Fuel Vapor Leak Detection Pump
>>> Audi EVAP vapor canister
>>> Vapor Canister Purge Valve Solenoid 06E906517A
>>> Autobahn88 Silicone Vacuum Hose Dress Up DIY Kit
>>> URO Parts 95520113301 Fuel Pump Tank Seal
>>> Audi Engine Control Module

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Audi A4 Avant 95-01 Service Repair Manual, page 52.

Tagged :
You know someone would like this

Leave a comment

Your email address will not be published. Required fields are marked *