Back to 2001 Buick Century

2001 BUICK CENTURY

3.1L V6FWDAUTOMATICgas
5 active safety recalls on this vehicle — view recalls
Repairs0Labor473Torque2471Fluid6DTC721Battery0Maintenance0Recalls5
P0106moderate severityPowertrain

MAP/BARO Pressure Circuit Range/Performance

on 2001 Buick Century 3.1L 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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