P0486
Exhaust Gas Recirculation Sensor B Circuit
Generic code
Auxiliary Emissions Control
Medium severity
Moderate repair
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What P0486 means
- The fault code P0486 indicates that there is an issue with the circuit that controls the exhaust gas recirculation (EGR) sensor B. This may cause decreased fuel economy, increased emissions, and poor engine performance.
Possible symptoms
- Decreased fuel economy
- Increased emissions
- Poor engine performance
- Illuminated check engine light
Possible causes
- Faulty EGR sensor B
- Damaged wiring or connections in the circuit
- Corroded or loose electrical connections
- Failed engine control module (ECM)
Related parts
- Exhaust Gas Recirculation (EGR) Sensor: Exhaust gas recirculation (EGR) is an emissions reduction technique used in petrol and diesel engines. Problems lead to harmful emissions out of limit
Possible solutions
- Replace the EGR sensor B
- Check and repair any damaged wiring or connections
- Tighten or clean any loose or corroded electrical connections
- Replace the engine control module (ECM) if necessary
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P0486 on OBD DashX
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