P2231moderate severityPowertrain

Barometric Pressure Sensor A Circuit High

on 1996 Chevrolet Astro 4.3L V6 Vortec · RWD

What this code means

Barometric pressure sensor signal exceeds expected maximum.

Symptoms

  • Check engine light
  • Lean condition
  • Hesitation

Common causes

  • Open circuit
  • Short to voltage
  • Sensor failure

Diagnostic steps

  1. Measure sensor signal
  2. Check for opens or shorts to power

Repair notes

Replace sensor or repair circuit.

Other Powertrain codes on this vehicle

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