Buick Regal Owners & Service Manuals
Buick Regal 2018-2026 Service Manual / Engine / Engine Controls and Fuel - 2.0L (LTG) / Specifications, Schematic and Wiring Diagrams

Buick Regal: Specifications, Schematic and Wiring Diagrams

Specifications

TEMPERATURE VERSUS RESISTANCE - INTAKE AIR TEMPERATURE S

Engine Controls and Fuel - 2.0L (LTG)

TEMPERATURE VERSUS RESISTANCE - ENGINE COOLANT TEMPERATURE SENSOR

Engine Controls and Fuel - 2.0L (LTG)

Engine Controls and Fuel - 2.0L (LTG)

ALTITUDE VERSUS BAROMETRIC PRESSURE

Engine Controls and Fuel - 2.0L (LTG)

IGNITION SYSTEM SPECIFICATIONS

Engine Controls and Fuel - 2.0L (LTG)

FASTENER SPECIFICATIONS

Single Use Non-Threaded Fasteners/Components

NOTE: All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal.

Engine Controls and Fuel - 2.0L (LTG)

Engine Controls and Fuel - 2.0L (LTG)

Single Use Threaded Fastener/Component Tightening Specifications

NOTE: All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal.

Engine Controls and Fuel - 2.0L (LTG)

Reusable Threaded Fastener Tightening Specifications

NOTE: All fasteners listed in this table can be reused after removal.

Engine Controls and Fuel - 2.0L (LTG)

Engine Controls and Fuel - 2.0L (LTG)

APPROXIMATE FLUID CAPACITIES

Engine Controls and Fuel - 2.0L (LTG)

ADHESIVES, FLUIDS, LUBRICANTS, AND SEALERS

Engine Controls and Fuel - 2.0L (LTG)

Engine Controls and Fuel - 2.0L (LTG)

Schematic and Wiring Diagrams

ENGINE CONTROLS WIRING SCHEMATICS (LTG)

Power, Ground, Serial Data, and MIL

Engine Controls and Fuel - 2.0L (LTG)

5V1, 5V2 and Low Reference Bus (1 of 3)

Engine Controls and Fuel - 2.0L (LTG)

5V3, 5V4, 5V5 and Low Reference Bus (2 of 3)

Engine Controls and Fuel - 2.0L (LTG)

Low Reference Bus (3 of 3)

Engine Controls and Fuel - 2.0L (LTG)

Engine Data Sensors - Pressure and Temperature

Engine Controls and Fuel - 2.0L (LTG)

Engine Data Sensors - Oxygen Sensors

Engine Controls and Fuel - 2.0L (LTG)

Engine Data Sensors - Throttle Controls and Override

Engine Controls and Fuel - 2.0L (LTG)

Ignition Controls - Ignition System

Engine Controls and Fuel - 2.0L (LTG)

Ignition Controls - Camshaft Solenoids and Ignition Sensors

Engine Controls and Fuel - 2.0L (LTG)

Fuel Controls - Fuel Pump Controls

Engine Controls and Fuel - 2.0L (LTG)

Fuel Controls - Fuel Injectors and High Pressure Control

Engine Controls and Fuel - 2.0L (LTG)

Fuel Controls - Evaporative Emission and Turbocharger Controls

Engine Controls and Fuel - 2.0L (LTG)

Controlled/Monitored Subsystem References

Engine Controls and Fuel - 2.0L (LTG)

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     Engine Cooling

     Specifications, Schematic and Routing Diagrams

    SPECIFICATIONS TEMPERATURE VERSUS RESISTANCE FASTENER SPECIFICATIONS (2.0L LTG) Single Use Non-Threaded Fasteners/Components NOTE: All fasteners/components listed in this table MUST BE DISCARDED and

     Diagnostic Information and Procedures

    SEE MORE:

     Heated Oxygen and Oxygen Sensor Caution

    CAUTION: Do not remove the pigtail from either the heated oxygen sensor (HO2S) or the oxygen sensor (O2S). Removing the pigtail or the connector will affect sensor operation. Handle the oxygen sensor carefully. Do not drop the HO2S. Keep the inline electrical connector and the louvered end free of

     DTC P1434

    Diagnostic Instructions Perform the Diagnostic System Check prior to using this diagnostic procedure:Diagnostic System Check - Vehicle Review the description of Strategy Based Diagnosis:Strategy Based Diagnosis An overview of each diagnostic category can be found here:Diagnostic Procedure

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