P2402moderate severityPowertrain
EVAP Leak Detection Pump Control Circuit High
on 1998 Buick Century 3.1L V6 · FWD
What this code means
High voltage on the EVAP leak detection pump circuit.
Symptoms
- Check engine light
Common causes
- Open ground circuit
- Short to battery voltage
- Failed pump
Diagnostic steps
- Check ground continuity
- Measure voltage with key off
Repair notes
Repair wiring or replace pump.
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P0015
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