Back to 2002 Lexus LS 430

2002 LEXUS LS 430

4.3L V8RWDAUTOMATICgas
Repairs0Labor591Torque5693Fluid7DTC718Battery0Maintenance0Recalls0
P2229moderate severityPowertrain

Barometric Pressure Sensor A Circuit Range/Performance

on 2002 Lexus LS 430 4.3L V8 · RWD

What this code means

The barometric pressure sensor is reading outside expected range for current conditions.

Symptoms

  • Check engine light
  • Poor fuel economy
  • Power loss at altitude

Common causes

  • Failed BARO sensor
  • Sensor intake blocked
  • ECM reference voltage issue

Diagnostic steps

  1. Compare BARO reading to known atmospheric pressure
  2. Check sensor connector
  3. Verify 5V reference

Repair notes

Replace barometric pressure sensor or repair wiring.

Other Powertrain codes on this vehicle

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