GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 LaCrosse 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 Engine Controls Component Views
Figure 1:

Upper Front of the Engine
Object Number: 1203637 Size: LF
(1)Manifold Absolute Pressure (MAP) Sensor (L26)
(2)Throttle Actuator Control (TAC) Module
(3)Engine Coolant Temperature (ECT) Sensor
(4)Fuel Injector 5
(5)Fuel Injector 3
(6)Fuel Injector 1
Figure 2:

Rear of the Engine
Object Number: 1203638 Size: LF
(1)Intake Air Temperature (IAT) / Mass Air Flow (MAF) Sensor
(2)Exhaust Gas Recirculation (EGR) Valve
(3)Evaporative Emission (EVAP) Canister Purge Solenoid
Figure 3:

Upper Rear of the Engine
Object Number: 1593472 Size: LF
(1)Exhaust Gas Recirculation (EGR) Valve
(2)Fuel Injector 6
(3)Fuel Injector 4
(4)Fuel Injector 2
(5)Generator
(6)Heated Oxygen Sensor (HO2S) Sensor 1
Figure 4:

Upper Left Rear Side of Engine
Object Number: 374691 Size: LF
(1)Exhaust Gas Recirculation (EGR) Valve
(2)Heated Oxygen Sensor (HO2S) Sensor 1
Figure 5:

Fuel Tank Components
Object Number: 1509881 Size: LF
(1)Fuel Tank
(2)Fuel Tank Pressure (FTP) Sensor
(3)C405
(4)Fuel Pump and Sender Assembly
(5)Evaporative Emission (EVAP) Canister Vent Solenoid Valve
(6)EVAP Canister
Figure 6:

Near the Catalytic Converter
Object Number: 1552096 Size: LF
(1)Catalytic Converter
(2)Heated Oxygen Sensor (HO2S) 2
Figure 7:

Upper Rear of the Engine
Object Number: 1552098 Size: LF
(1)Exhaust Gas Recirculation (EGR) Valve
(2)Intake Manifold
(3)Valve Cover
(4)Secondary Air Injection (AIR) Control Solenoid Valve/Pressure Sensor, Bank 2 (NU6)
Figure 8:

Secondary Air Injection (AIR) Pump
Object Number: 1552085 Size: LF
(1)Valve Cover
(2)Secondary Air Injection (AIR) Pump
(3)Starter
Figure 9:

Front of the Engine (L26)
Object Number: 1552089 Size: LF
(1)Ignition Coil Module
(2)Manifold Absolute Pressure (MAP) Sensor
(3)Fuel Injector 1
(4)Fuel Injector 3
(5)Fuel Injector 5
(6)Exhaust Gas Recirculation (EGR) Valve
(7)Throttle Actuator Control (TAC) Module
(8)Engine Coolant Temperature (ECT) Sensor
(9)Starter Solenoid
(10)Starter
(11)Engine Oil Level Switch
(12)Knock Sensor (KS) 1
Figure 10:

Rear of the Engine (L26)
Object Number: 1552088 Size: LF
(1)Evaporative Emission (EVAP) Canister Purge Solenoid Valve
(2)Throttle Actuator Control (TAC) Module
(3)Exhaust Gas Recirculation (EGR) Valve
(4)Fuel Injector 6
(5)Fuel Injector 4
(6)Fuel Injector 2
(7)Manifold Absolute Pressure (MAP) Sensor
(8)Camshaft Position (CMP) Sensor
(9)Engine Oil Pressure (EOP) Sensor
(10)Knock Sensor (KS) 2
(11)Heated Oxygen Sensor (HO2S) 1
Figure 11:

Left Side of the Engine (L26)
Object Number: 1552090 Size: LF
(1)Exhaust Gas Recirculation (EGR) Valve
(2)Manifold Absolute Pressure (MAP) Sensor
(3)Throttle Actuator Control (TAC) Module
(4)Ignition Coil Module
(5)Crankshaft Position (CKP) Sensor
(6)Engine Oil Pressure (EOP) Sensor
(7)Camshaft Position (CMP) Sensor
(8)Heated Oxygen Sensor (HO2S) 1