P0436
Catalyst Temperature Sensor Range/Performance Bank 2 Sensor 1
Generic code
Auxiliary Emissions Control
Medium severity
Moderate repair
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What P0436 means
- The fault code P0436 indicates that there is an issue with the catalyst temperature sensor circuit for bank 2 sensor 1, which could affect the performance of the catalytic converter.
Possible symptoms
- Illuminated check engine light
- Decreased fuel efficiency
- Poor acceleration or engine performance
- Engine misfire or hesitation
Possible causes
- Faulty catalyst temperature sensor
- Damaged or corroded wiring or connections in the circuit
- Failed engine control module (ECM)
- Malfunctioning catalytic converter
Related parts
- Catalyst Temperature Sensor: A catalyst is a chemical substance that takes the exhaust gas stream from the engine and converts toxic gases and pollutants to less harmful pollutants. The function of the catalyst temperature sensor is to warn the car computer if temperature of the catalyst goes above the safe limit. Problems lead to harmful emissions out of limit
Possible solutions
- Replace the catalyst temperature sensor
- Check and repair any damaged or corroded wiring or connections in the circuit
- Replace the engine control module (ECM) if necessary
- Replace the catalytic converter if it is malfunctioning
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P0436 on OBD DashX
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