P2437

AIR System Air Flow/Pressure Sensor Circuit Low 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
Deterioration in acceleration dynamics
Increased fuel consumption
Unstable engine idling
Increase in harmful emissions

Causes

Pressure/air flow sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Problems with the engine control unit
Mechanical damage to the secondary air system tubes

How to Fix

Check the integrity of the wiring to the sensor
Clean sensor connector contacts
Check the sensor resistance (compare with the norm)
Replace the faulty sensor if necessary
Check the tightness of the secondary air system

Related codes

P2435 P2436 P2438