P222A

Barometric Pressure Sensor B Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
The engine is running in emergency mode
Unstable idling

Causes

Open or short circuit in the sensor circuit
Barometric pressure sensor B malfunction
Poor contact in the sensor connector
Wiring harness damage
Problems with the engine control unit

How to Fix

Check the integrity of the sensor circuit
Inspect the sensor connector and contacts
Check sensor resistance
Replace barometric pressure sensor B if necessary
Reset the error and check the system operation

Related codes

P2227 P2228 P2229