4.2L CFSA Overviews

Component Locations: Engine Management Systems

4.2L CFSA Overviews

Part 1

1 - Secondary air injection pump motor -V101- => [ Secondary air injection pump motor ] See Image Below.

2 - After-run coolant pump -V51- => See Image Below.

3 - Throttle valve control module -J338-
Contains the following components:
• EPC throttle drive -G186-
• EPC throttle drive angle sensor 1 -G187-
• EPC throttle drive angle sensor 2 -G188-

4 - Heated oxygen sensor -G39- with
• Oxygen sensor heater -Z19- => [ 4.2L CFSA Exhaust Overviews ] Locations

5 - Oxygen sensor after three way catalytic converter -G130- with
• Heater for oxygen sensor 1 after catalytic converter -Z29- => [ 4.2L CFSA Exhaust Overviews ] Locations

6 - Accelerator pedal position sensor -G79- / Accelerator pedal position sensor 2 -G185- => [ Accelerator Pedal Module ] Locations

7 - Engine control module -J623- => [ Location of Engine Control Module (ECM) ] 2.0L CAEB Overviews

8 - Oxygen sensor 2 after catalytic converter -G131- with
• Heater for oxygen sensor 2 after catalytic converter -Z30- => [ 4.2L CFSA Exhaust Overviews ] Locations

9 - Heated oxygen sensor 2 -G108-
• Oxygen sensor 2 heater -Z28- => [ 4.2L CFSA Exhaust Overviews ] Locations

10 - Throttle valve control module 2 -J544-
Contains the following components:
• Throttle drive 2 -G296-
• Throttle drive 2 angle sensor 1 -G297-
• Throttle drive 2 angle sensor 2 -G298-

11 - Brake system vacuum pump -V192-

12 - Secondary air injection pump motor 2 -V189- => [ Secondary air injection pump motor ] See Image Below.

13 - Intake air temperature sensor -G42- / Manifold absolute pressure sensor -G71-

Secondary air injection pump motor

2 - Secondary air injection pump motor -V101- / Secondary air injection pump motor 2 -V189-
The figure shows the Secondary air injection pump motor 2 -V189- (left side). The Secondary air injection pump motor -V101- is similar but on opposite side (right).

After-run coolant pump -V51-

3 - After-run coolant pump -V51- connector

Part 2

1 - Cylinder 1 fuel injector -N30-

2 - Ignition coil 1 with power output stage -N70-

3 - Cylinder 2 fuel injector -N31-

4 - Ignition coil 2 with power output stage -N127-

5 - Cylinder 3 fuel injector -N32-

6 - Ignition coil 3 with power output stage -N291-

7 - Cylinder 4 fuel injector -N33-

8 - Ignition coil 4 with power output stage -N292-

9 - Exhaust camshaft adjustment valve 1 -N318-

10 - Camshaft adjustment valve 1 -N205-

11 - Knock sensor 2 -G66- => [ Knock sensors ] See Image Below.

12 - Secondary air injection solenoid valve -N112-

13 - Knock sensor 4 -G199- => [ Knock sensors ] See Image Below.

Part 2 continued

14 - Camshaft adjustment valve 2 -N208-

15 - Exhaust camshaft adjustment valve 2 -N319-

16 - Ignition coil 8 with power output stage -N326-

17 - Cylinder 8 fuel injector -N86-

18 - Ignition coil 7 with power output stage -N325-

19 - Cylinder 7 fuel injector -N85-

20 - Ignition coil 6 with power output stage -N324-

21 - Cylinder 6 fuel injector -N84-

22 - Ignition coil 5 with power output stage -N323-

23 - Cylinder 5 fuel injector -N83-

24 - Knock sensor 3 -G198- => [ Knock sensors ] See Image Below.

25 - Intake manifold runner control valve -N316-

26 - Knock sensor 1 -G61- => [ Knock sensors ] See Image Below.

27 - Fuel pressure sensor -G247-

Knock sensors

1 - Knock sensor 1 -G61-
2 - Knock sensor 2 -G66-
3 - Knock sensor 4 -G199-
4 - Knock sensor 3 -G198-

Part 3

1 - Engine coolant temperature sensor -G62-

2 - Intake manifold runner position sensor 2 -G512-

3 - Intake manifold runner position sensor -G336-

4 - Oil pressure switch -F22-

5 - Oil temperature sensor -G8-

6 - EVAP canister purge regulator valve 1 -N80-

7 - Fuel metering valve 2 -N402-

8 - Camshaft position sensor 2 -G163-

9 - Camshaft position sensor 4 -G301-

10 - Servotronic solenoid valve -N119-

11 - Left electrohydraulic engine mount solenoid valve -N144-

12 - Oil pressure regulation valve -N428-

13 - Map controlled engine cooling thermostat -F265-

Part 4

1 - Reduced oil pressure switch -F378-

2 - Low fuel pressure sensor -G410-

3 - Secondary air injection sensor 2 -G610-

4 - Fuel metering valve -N290-

5 - Camshaft position sensor -G40-

6 - Camshaft position sensor 3 -G300-

7 - Right electrohydraulic engine mount solenoid valve -N145-

8 - Secondary air injection sensor 1 -G609-

9 - Engine speed sensor -G28-

Oil level thermal sensor -G266-

3 - Oil level thermal sensor -G266-
• Located in engine oil pan.