Buick Regal 2018-2026 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:
DTC P2761, P2763, or P2764
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Refer to Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosis: Refer to Strategy
Based Diagnosis
An overview of each diagnostic category can be found here: R
Afterblow Enabling
Afterblow is a feature that dries the evaporator core by operating the blower
motor after the engine is
turned off. This aids in reducing microbial growth that can create undesirable
odors.
The vehicle does not come equipped with the afterblow feature turned on. If the
afterblow feature is
requi
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