DTC code
P040E
EGR Temperature Sensor A Circuit Intermittent/Erratic
Technical guide
reference — not individually verifiedSymptoms
- Check engine light on
- Pinging or knocking under load
- Power loss and hesitation
- Possible rough idle
- Failed emissions inspection (NOx)
Probable causes
- high: Intermittent connector
- low: Connector with intermittent contact under vibration
- low: Harness routed against vibrating component
Diagnostic steps
Check the components involved: egr temperature sensor. Verify wiring and connectors before replacing any part. Job difficulty: medium. Typical European range — 40-400 EUR, 0.5-2 h. Reference values only.
Cross-checked technical synthesis (QA). It does not replace the manufacturer's procedure.
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0 confirmed cases on P040E
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