P2074 Buick Manifold Absolute Pressure/Mass Air Flow – Throttle Position Correlation at Higher Load

P2075 Buick Intake Manifold Tuning (IMT) Valve Position Sensor / Switch Circuit (Bank 1a)

OBD Code:
System:
Subsystem:

P2075 Buick – (ASE)
Powertrain
Fuel & Air metering, Auxiliary emission controls

Trouble Code Description: Intake Manifold Tuning (IMT) Valve Position Sensor / Switch Circuit (Bank 1a)

Location:
Analysis:

Possible Causes:

Bank 1a
Circuit Issue

Tech description:

Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera