Powertrain
generic / SAE
P2386
EGR Sensor E Circuit High
The fourth exhaust-gas recirculation sensor (D) reports a circuit voltage above the plausible upper limit. The ECU loses one of its EGR feedback channels and falls back to a substitute value, which limits EGR rate accuracy and emissions performance.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number3 / 86
Possible causes
- Signal line shorted to supply high
- Connector pins corroded - high contact resistance low
- Supply wire pinched against B+ source low
Symptoms
- Check engine light on
- Pinging or knocking under load
- Power loss and hesitation
- Possible rough idle
- Failed emissions inspection (NOx)
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 150–450 €
- Estimated time: 0.6–1.8 h
- Component: egr sensor e
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012