garajizOBD-II code · generic
P20A4
Reductant Purge Control Valve A Stuck Open
- System
- P2 — Powertrain / emissions (generic)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P20A4 mean?
P20A4 is defined as “Reductant Purge Control Valve A Stuck Open”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- P20A3Reductant Purge Control Valve A Circuit High
- P20A5Reductant Purge Control Valve A Stuck Closed
- P20A2Reductant Purge Control Valve A Circuit Low
- P20A6Reductant Injection Air Pressure Control Valve Circuit/Open
- P20A1Reductant Purge Control Valve A Performance
- P20A7Reductant Injection Air Pressure Control Valve Performance
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This page is general information; an exact diagnosis needs measurements and a technician’s check.