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2005 BUICK TERRAZA

3.5L V6FWDAUTOMATICgas
3 active safety recalls on this vehicle — view recalls
Repairs0Labor564Torque4707Fluid6DTC855Battery0Maintenance0Recalls3
P0106moderate severityPowertrain

MAP/BARO Pressure Circuit Range/Performance

on 2005 Buick Terraza 3.5L V6 · FWD

What this code means

The MAP sensor reading is not changing appropriately with engine load changes.

Symptoms

  • Check Engine Light
  • Poor fuel economy
  • Hesitation
  • Stalling

Common causes

  • Vacuum leak
  • Clogged MAP sensor port
  • Faulty MAP sensor
  • EGR system issue

Diagnostic steps

  1. Monitor MAP reading at idle vs 2500 RPM
  2. Check for vacuum leaks
  3. Inspect MAP sensor port
  4. Test EGR system

Repair notes

Clean MAP port, repair vacuum leaks, or replace sensor.

Other Powertrain codes on this vehicle

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