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2012 CHEVROLET EXPRESS

4.3L V6 VortecRWDAUTOMATICgas
6 active safety recalls on this vehicle — view recalls
Repairs0Labor506Torque4947Fluid7DTC952Battery1Maintenance0Recalls6
P0106moderate severityPowertrain

MAP/BARO Pressure Circuit Range/Performance

on 2012 Chevrolet Express 4.3L V6 Vortec · RWD

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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