U3576

Stack Differential Pressure Sensor Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Deterioration of vehicle dynamics
Increased fuel consumption
Unstable engine operation at idle
Increased level of harmful emissions

Causes

Open or short circuit in the sensor circuit
Differential pressure sensor malfunction
Problems with connections or contacts
ECU malfunction
Mechanical damage to wiring

How to Fix

Check the integrity of wiring and connections
Test differential pressure sensor
Check voltage and resistance in the circuit
Replace sensor if necessary
Reset the error code and check the system

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