P2438

AIR System Air Flow/Pressure Sensor Circuit High Bank 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine Light Is On
Minor changes in engine performance may occur
Increased fuel consumption
Increased level of harmful emissions
Errors may occur with other AIR system sensors

Causes

Bank 2 Pressure/Air Flow Sensor Malfunction
Open or short circuit in the sensor circuit
Poor contact in sensor connectors
Engine control unit malfunction
Mechanical problems in the AIR system (clogs, leaks)

How to Fix

Check the status of Bank 2 pressure/air flow sensor
Check the integrity of the wiring harness and contacts in the connectors
Measure the resistance and voltage in the sensor circuit
Check the operation of the AIR system for blockages or leaks
If necessary, replace the sensor or repair the wiring

Related codes

P2437 P2439 P2440