P0472

Exhaust Pressure Sensor A Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Deterioration in acceleration dynamics
Increased fuel consumption
Unstable engine operation at idle

Causes

Open or short circuit in the sensor wiring harness
Poor contact in the sensor connector
Malfunction of the exhaust gas pressure sensor
Circuit Grounding Problems
ECU malfunction (rare)

How to Fix

Check the integrity of the sensor wiring harness
Inspect the sensor connector for oxidation or damage.
Check sensor resistance and voltage according to manufacturer's specifications
If necessary, replace the exhaust gas pressure sensor
Reset the error and check if it returns

Related codes

P0470 P0471 P0473 P0474