2017-10-10
Check engine light is illuminated
Reduced engine performance
Vehicle may fail emissions tests
Failed catalyst temperature sensor
Wiring or connection issues in the circuit
Corroded or damaged electrical connections
Failed engine control module (ECM)
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
Replace the catalyst temperature sensor
Check and repair any damaged wiring or connections
Clean any corroded or damaged electrical connections
Replace the engine control module (ECM) if necessary
See which problems come with P0435, how often it shows up in other vehicles, and how to fix it — step by step. Free on OBD DashX, in 10 languages.
See P0435 on OBD DashX