4.2L BHF
Engine Management System
4.2L BHF
Components A - E are not shown in the overview
A - Oil Level Thermal Sensor -G266- => [ Oil Level Thermal Sensor ] See Image Below.
• Located at the bottom of the oil pan
B - Fuel Injectors - N30, N31, N32, N33. N83, N84, N85 and N86 => [ Intake Manifold Assembly Overview ] See Image Below.
• Located at the fuel rail
C - Leak Detection Pump (LDP) -V144- => [ EVAP Canister/Leak Detection System Overview ] See Image Below.
• Located in the left rear wheel housing behind wheel housing liner
D - Right Electro-Hydraulic Engine Mount Solenoid Valve -N145- => [ Electro-Hydraulic Engine Mount Solenoid Valve - Right ] See Image Below.
E - Left Electro-Hydraulic Engine Mount Solenoid Valve -N144- => [ Electro-Hydraulic Engine Mount Solenoid Valve - Left ] See Image Below.
1 - Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 -N80- => [ Evaporative Emission (EVAP) canister purge regulator valve ] See Image Below.
2 - Mass Air Flow (MAF) Sensor -G70- with Intake Air Temperature (IAT) Sensor -G42- => [ Mass Air Flow (MAF) Sensor ] See Image Below.
3 - Connector console
4 - Camshaft Adjustment Valve 1 -N205- => [ Rear view - Engine ] See Image Below.
5 - Camshaft Position (CMP) Sensor -G40- => [ Rear view - Engine ] See Image Below.
6 - Engine Coolant Temperature (ECT) Sensor -G62- => [ Rear view - Engine ] See Image Below.
7 - Fuel supply line
8 - Throttle Valve Control Module -J338- => [ Rear view - Engine ] See Image Below.
• With Throttle Drive (for Electronic Power Control (EPC)) -G186- , Throttle Drive Angle Sensor 1 (for Electronic Power Control (EPC) -G187- and Throttle Drive Angle Sensor 2 (for Electronic Power Control (EPC) -G188-
4.2L BHF continued
9 - Oil Pressure Switch -F1- => [ Rear view - Engine ] See Image Below.
10 - Camshaft Position (CMP) Sensor 2 -G163- => [ Rear view - Engine ] See Image Below.
11 - Connector console
12 - Camshaft Adjustment Valve 2 -N208- => [ Rear view - Engine ] See Image Below.
13 - Engine Speed (RPM) Sensor -G28- => [ Engine Speed (RPM) Sensor ] See Image Below.
• Located in the transmission housing above ring gear
14 - Ignition Coils Cylinder Bank 2 -N323-, -N324-, -N325- and -N326- => [ Ignition coils with output stages ] See Image Below.
•
• Ignition Coils Cylinder Bank 1 -N70-, -N127-, -N291- and -N292- location
15 - 3-pin connector
• For Knock Sensor 3 -G198- => [ Front view - Engine ] See Image Below.
• For Knock Sensor 4 -G199- => [ Front view - Engine ] See Image Below.
16 - Secondary Air Injection (AIR) Solenoid Valve -N112- => [ 4.2L BHF Exhaust System ] Exhaust System
17 - Intake Manifold Tuning (IMT) Valve -N156- => [ Front view - Engine ] See Image Below.
18 - 3-pin connector
• For Knock Sensor 1 -G61- => [ Front view - Engine ] See Image Below.
• For Knock Sensor 2 -G66- => [ Front view - Engine ] See Image Below.
19 - Ignition Coils - Cylinder Bank 1 -N70-, -N127-, -N291- and -N292- => [ Ignition coils with output stages ] See Image Below.
20 - Secondary Air Injection (AIR) Pump Motor -V101- => [ 4.2L BHF Exhaust System ] Exhaust System
• Located beneath right longitudinal member
Evaporative Emission (EVAP) canister
purge regulator valve
- - Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 -N80-
Rear view - Engine
1 - Camshaft Adjustment Valve 2 -N208-
2 - Camshaft Position (CMP) Sensor 2 -G163-
3 - Oil Pressure Switch -F1-
4 - Throttle Valve Control Module -J338-
Integrated with the following:
• Throttle Drive (for Electronic Power Control (EPC)) -G186-
• Throttle Drive Angle Sensor 1 (for Electronic Power Control (EPC) -G187-
• Throttle Drive Angle Sensor 2 (for Electronic Power Control (EPC) -G188-
5 - Engine Coolant Temperature (ECT) Sensor -G62-
6 - Camshaft Position (CMP) Sensor -G40-
7 - Camshaft Adjustment Valve 1 -N205-
Ignition coils with output stages
- - Ignition Coils - Cylinder Bank 2 -N323-, -N324-, -N325- and -N326-
Ignition coils with output stages
- - Ignition Coils - Cylinder Bank 1 -N70-, -N127-, -N291- and -N292-
Mass Air Flow (MAF) Sensor
3 - Mass Air Flow (MAF) Sensor -G70- with Intake Air Temperature (IAT) Sensor -G42-
Front view - Engine
1 - Vacuum unit for intake manifold changeover
2 - Knock Sensor 1 -G61-
3 - Knock Sensor 2 -G66-
4 - Intake Manifold Tuning (IMT) Valve -N156-
5 - Secondary Air Injection (AIR) Solenoid Valve -N112-
6 - Knock Sensor 3 -G198-
7 - Knock Sensor 4 -G199-
Oil Level Thermal Sensor
Arrow - Oil Level Thermal Sensor -G266- connector
Intake Manifold Assembly Overview
1 - Intake manifold
5 - Fuel rail with fuel injectors - N30, N31, N32, N33. N83, N84, N85 and N86
EVAP Canister/Leak Detection System
Overview
11 - Leak Detection Pump (LDP) -V144-
18 - EVAP canister
Electro-Hydraulic Engine Mount
Solenoid Valve - Right
- - Right Electro-Hydraulic Engine Mount Solenoid Valve -N145-
Electro-Hydraulic Engine Mount
Solenoid Valve - Left
1 - Left Electro-Hydraulic Engine Mount Solenoid Valve -N144- connector
Engine Speed (RPM) Sensor
A - Engine Speed (RPM) Sensor -G28-
Engine Control Module
- - Engine Control Module (ECM) -J623-
- Located under the E-box in plenum chamber cover