GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Regal (China) (CNG) 🢒 Body and Accessories 🢒 Body Control System 🢒 Engine Controls Component Views

Engine Controls Component Views l

Figure 1:

Engine Composite View (3000 Vin W)
Object Number: 371074 Size: LF
(1)Fuel Injector 16 way harness connector
(2)Manifold Absolute Pressure (MAP) Sensor
(3)Exhaust Gas Recirculation (EGR) Valve
(4)Throttle Position (TP) Sensor
(5)Throttle Body
(6)Fuel Pressure Regulator
(7)Engine Oil Pressure Switch
(8)Knock Sensor (KS)
(9)24X CKP Sensor Harness Connector
(10)Positive Crankcase Ventilation (PCV) Valve
(11)Camshaft Position (CMP) Sensor Harness Connector
(12)Fuel Rail
(13)Upper Intake Manifold
Figure 2:

Engine Composite View (3000 VIN W)
Object Number: 531383 Size: LF
(1)Upper Intake Manifold
(2)Manifold Absolute Pressure (MAP) Sensor
(3)Secondary Ignition (Spark Plug) Wires
(4)Ignition Coil/Module Assembly
(5)Heated Oxygen Sensor(HO2S)
(6)7X Crankshaft Position (CKP) Sensor
(7)Exhaust Gas Recirulation (EGR)
(8)Throttle Position (TP) Sensor
(9)Fuel Feed and Return Pipes
(10)Throtle Body
(11)Idle Air Control (IAC)
(12)Positive Crankcase Ventilation (PCV)
(13)EVAP Purge Valve
(14)Camshaft Position (CMP) Sensor Harness Connector
Figure 3:

Top Front of Engine (VIN W)
Object Number: 374674 Size: LF
(1)Mass Air Flow (MAF) Sensor
Figure 4:

Top Center Rear of Engine
Object Number: 374676 Size: LF
(1)Generator Connector
(2)ICM C2 Connector
(3)Heated Oxygen Sensor 1
(4)ICM C2 Connector
(5)ICM C1 Connector
Figure 5:

EVAP Canister Mounting
Object Number: 493275 Size: SH
Figure 6:

EVAP Canister
Object Number: 493266 Size: SH
Figure 7:

Multi Way Fuel Injector Harness Connector, Fuel Pressure Regulator, PCV Valve
Object Number: 607087 Size: MF
(1)Multi Way Fuel Injector Harness Connector
(2)Fuel Pressure Regulator
(3)Positive Crankcase Ventilation (PCV) Valve
Figure 8:

Top Left Side of Engine (VIN W)
Object Number: 531485 Size: LF
(1)Exhaust Gas Recirculation (EGR) Valve
(2)Fuel Feed and Return Lines
(3)Idle Air Control (IAC) Valve
(4)EVAP Purge Valve
Figure 9:

A/C Compressor -- Lower RH Front of Engine (VIN W)
Object Number: 327373 Size: LF
(1)Crankshaft Position (24X) Sensor
(2)Bank 1 Knock Sensor (KS)
(3)Engine Oil Pressure Indicator Switch
(4)Fusible Links
(5)A/C Compressure Clutch Coil
Figure 10:

Powertrain Control Module (PCM) Harness
Object Number: 181294 Size: SF
(1)Powertrain Control Module (PCM) Harness
Figure 11:

Powertrain Control Module (PCM)/Air Cleaner Assembly
Object Number: 444496 Size: SH
(1)Air Cleaner Housing
(2)Attaching Screws
(3)Powertrain Control Module (PCM) Housing
(4)Powertrain Control Module (PCM)
Figure 12:

Air Cleaner Assembly
Object Number: 444460 Size: SH
(1)Air Cleaner Housing Inner Half
(2)Attaching Screws
(3)Powertrain Control Module (PCM) Housing
(4)Powertrain Control Module (PCM)
(5)Air Cleaner Housing Outer Half
(6)Air Filter Element
(7)Air Cleaner Housing Latch Assemblies
Figure 13:

Engine Cooling Fans, Cooling Fans Harness
Object Number: 181273 Size: SF
(1)Engine Cooling Fans
(2)Engine Cooling Fan Jumper Harness
Figure 14:

Engine Oil Level Switch
Object Number: 181269 Size: SF
(1)Engine Oil Level Switch
Figure 15:

Left Side Of Engine (VIN W)
Object Number: 327378 Size: LF
(1)Transaxle Range Switch
(2)Transaxle Range Switch Wiring Harness Connector C1
(3)Transaxle Range Switch Wiring Haress Connector C2
(4)Engine Wiring Harness
(5)C111
Figure 16:

Right Rear of Engine (VIN W)
Object Number: 374682 Size: LF
(1)Vehicle Speed Sensor
(2)Vehicle Speed Sensor Connector