Buick Regal 2018-2025 Service Manual / Engine / Engine Controls and Fuel - 2.0L (LTG) / Description and Operation
Buick Regal: Description and Operation
- Camshaft Actuator System Description
- Engine Control Module Description
- Evaporative Emission Control System Description
- Electronic Ignition System Description
- Fuel System Description
- Throttle Actuator Control (TAC) System Description
- Turbocharger System Description
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Camshaft Actuator System Description
Circuit/System Description
The camshaft position actuator solenoid valve - Intake and camshaft position
actuator solenoid valve -
exhaust system enables the engine control module (ECM) to change cams
Engine Control Module Description
The Engine Control Module (ECM) interacts with many emission related
components and systems, and
monitors emission related components and systems for deterioration. OBD II
diagnostics monitor the
sy
Evaporative Emission Control System Description
Typical Evaporative Emission (EVAP) System Hose Routing Diagram
Edit to add FLVV info below. Necessary to reorder call-outs from #8 on
because of art work call out directions. Must be
in a clockwise
SEE MORE:
Rear Drive Axle
SPECIFICATIONS
FASTENER SPECIFICATIONS
Single Use Threaded Fastener/Component Tightening Specifications
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced
with NEW
after removal.
Reusable Threaded Fastener Tightening Specifications
NOTE:
All fasteners listed in this
DTC B2590 or B2595
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptors
D
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