U3559

Air Inlet Pressure Sensor Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Reduced engine power
Check Engine Light Illuminates
Problems starting the engine

Causes

Open or short circuit in the sensor circuit
Air pressure sensor malfunction
Poor contact in the sensor connector
Problems with the engine control unit (ECU)

How to Fix

Check the integrity of the sensor wiring and connectors
Test the air pressure sensor with a multimeter
Clean sensor connector contacts
Replace sensor if necessary
Check the operation of the engine control unit

Related codes

U3558 U3560 U0100