EVAP System Leak Detection Pump Performance/Stuck Off

Where it lives

For P2DDA, the part to look at first is the pump named here.

Check these first

• A failed EVAP leak detection pump
• A stuck EVAP leak detection pump
• An open in the leak detection pump control wire
• A failed EVAP canister purge valve
• A leaking EVAP hose

What to do next

1. Command the EVAP leak detection pump on
2. Test the leak detection pump control circuit
3. Check the EVAP hoses for leaks
4. Test the EVAP canister purge valve
5. Replace the leak detection pump if it does not run
6. Clear the code and retest

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