garajizOBD-II code · generic
P2457
EGR Cooler A Efficiency Below Threshold
- System
- P2 — Powertrain / emissions (generic)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P2457 mean?
P2457 is defined as “EGR Cooler A Efficiency Below Threshold”.
Drive gently and only as far as you need to; have it checked as soon as possible.
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This page is general information; an exact diagnosis needs measurements and a technician’s check.