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2002 BUICK CENTURY
3.1L V6•FWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor486Torque2150Fluid7DTC1027Battery1Maintenance0Recalls2
P2009moderate severityPowertrain

Intake Manifold Runner Control Circuit Low Bank 1

on 2002 Buick Century 3.1L V6 · FWD

What this code means

Low voltage/current in the intake manifold runner control circuit bank 1.

Symptoms

  • Check engine light
  • Sluggish throttle response

Common causes

  • Short to ground in wiring
  • Corroded connector
  • Failed actuator

Diagnostic steps

  1. Measure actuator circuit voltage
  2. Check wiring for shorts to ground

Repair notes

Repair short circuit or replace actuator.

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