P0472
Exhaust Pressure Sensor Low
Generic code
Auxiliary Emissions Control
Medium severity
Hard repair
Free on OBD DashX
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What P0472 means
- The fault code P0472 indicates that there is a problem with the circuit that controls the exhaust pressure sensor. This may cause the engine to have reduced power or acceleration.
Possible symptoms
- Reduced engine power or acceleration
- Illuminated check engine light
- Engine may go into limp mode
- Decreased fuel efficiency
Possible causes
- Faulty exhaust pressure sensor
- Damaged or corroded wiring and connections in the circuit
- Loose or corroded electrical connections
- Failed engine control module (ECM)
Related parts
- Exhaust Back Pressure Sensor: Exhaust Back Pressure sensor detects any kind of back pressure in the exhaust system. Back pressure is the pressure opposite to the exhaust flow resulting in a lower power output. This car's malfunctioning back pressure sensor may lead to higher emissions & lower performance
Possible solutions
- Replace the faulty exhaust pressure sensor
- Inspect and repair any damaged or corroded wiring and connections in the circuit
- Clean or tighten any loose or corroded electrical connections
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0472 on OBD DashX
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