Back to 1993-2001 Subaru Impreza

1993-2001 SUBARU IMPREZA

2.2L H4AWDCVTgas
30 active safety recalls on this vehicle — view recalls
Repairs0Labor593Torque4747Fluid9DTC674Battery0Maintenance0Recalls30
P2230moderate severityPowertrain

Barometric Pressure Sensor A Circuit Low

on 1993-2001 Subaru Impreza 2.2L H4 · AWD

What this code means

Barometric pressure sensor signal is below expected minimum.

Symptoms

  • Check engine light
  • Over-fueling
  • Black smoke

Common causes

  • Short to ground
  • Failed sensor
  • Wiring fault

Diagnostic steps

  1. Measure sensor voltage
  2. Check for shorts to ground

Repair notes

Replace sensor or repair wiring.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →