Exhaust System
Engine Management System
Exhaust System
• 1.8L T AMB => [ 1.8L T AMB Exhaust System ]
• 2.0L BPG and BWT => [ 2.0L BPG and BWT Exhaust System ]
• 3.0L AVK and BGN => [ 3.0L AVK and BGN Exhaust System ]
• 3.2L BKH => [ 3.2L BKH Exhaust System ]
• 4.2L BHF => [ 4.2L BHF Exhaust System ]
• 4.2L BNS => [ 4.2L BNS Exhaust System ]
1.8L T AMB Exhaust System
Exhaust System Component Overview
3 - Heated Oxygen Sensor (HO2S) -G39-
4 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-
Secondary Air Injection (AIR)
Solenoid Valve
2 - Secondary Air Injection (AIR) Solenoid Valve -N112-
Secondary Air Injection (AIR)
Pump Motor
1 - Secondary Air Injection (AIR) Pump Motor -V101-
Secondary Air Injection (AIR)
Pump Relay
2 - Secondary Air Injection (AIR) Pump Relay -J299-
2.0L BPG and BWT Exhaust System
3 - Heated Oxygen Sensor (HO2S) -G39- with Oxygen Sensor (O2S) Heater -Z19-
4 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- with Oxygen Sensor 02S) 1 (behind Three Way Catalytic Converter (TWC)) Heater -Z29-
5 - Catalytic converter
3.0L AVK and BGN Exhaust System
Exhaust System
7 - Heated Oxygen Sensor (HO2S) -G39-
8 - Heated Oxygen Sensor (HO2S) 2 -G108-
12 - Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131-
13 - Front exhaust pipe with catalytic converter
16 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-
17 - Front exhaust pipe with catalytic converter
Secondary Air Injection (AIR)
Solenoid Valve
Arrow - Secondary Air Injection (AIR) Solenoid Valve -N112-
Secondary Air Injection (AIR)
Pump Motor
1 - Secondary Air Injection (AIR) Pump Motor -V101-
Secondary Air Injection (AIR)
Pump Relay
3 - Secondary Air Injection (AIR) Pump Relay -J299-
3.2L BKH Exhaust System
8 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- => [ Oxygen Sensors Cylinder Bank 1 (Right) ] See Image Below.
13 - Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131- => [ Oxygen Sensors Cylinder Bank 2 (left) ] See Image Below.
Oxygen Sensors Cylinder Bank 1
(Right)
1 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-
2 - Heated Oxygen Sensor (HO2S) -G39-
Oxygen Sensors Cylinder Bank 2
(left)
1 - Heated Oxygen Sensor (HO2S) 2 -G108-
2 - Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131-
4.2L BHF Exhaust System
Exhaust System
5 - Heated Oxygen Sensor (HO2S) -G39-
8 - Heated Oxygen Sensor (HO2S) 2 -G108-
12 - Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131-
13 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-
Secondary Air Injection (AIR)
Solenoid Valve
Arrow - Secondary Air Injection (AIR) Solenoid Valve -N112-
Secondary Air Injection (AIR)
Pump Motor
1 - Secondary Air Injection (AIR) Pump Motor -V101-
Secondary Air Injection (AIR)
Pump Relay
2 - Secondary Air Injection (AIR) Pump Relay -J299-
4.2L BNS Exhaust System
5 - Heated Oxygen Sensor (HO2S) -G39- => [ Oxygen Sensors Location Cylinder Bank 1 (Right) ] See Image Below.
• For cylinder bank 1 (right)
8 - Heated Oxygen Sensor (HO2S) 2 -G108- => [ Oxygen Sensors Location Cylinder Bank 2 (Left) ] See Image Below.
9 - Oxygen sensor 2 after catalytic converter -G131- => [ Oxygen Sensors Location Cylinder Bank 2 (Left) ] See Image Below.
• For cylinder bank 2 (left)
13 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- => [ Oxygen Sensors Location Cylinder Bank 1 (Right) ] See Image Below.
Secondary Air Injection System
Assembly Overview
1 - Secondary Air Injection (AIR) Pump Motor -V101-
- Located right front in engine compartment below the long member
3 - Bracket
- For Secondary Air Injection (AIR) Solenoid Valve -N112-
4 - Secondary Air Injection (AIR) Solenoid Valve -N112- => [ Secondary Air Injection (AIR) Solenoid Valve ] See Image Below.
- Located under the intake manifold
5 - Right combination valve for Secondary Air Injection (AIR
- Located at the back of right cylinder head
7 - Left combination valve for Secondary Air Injection (AIR)
- Located at the back of left cylinder head
Secondary Air Injection (AIR) Pump
Relay
2 - Secondary Air Injection (AIR) Pump Relay -J299-
Secondary Air Injection (AIR) Solenoid
Valve
1 - Vacuum line from intake manifold
2 - Secondary Air Injection (AIR) Solenoid Valve -N112-
3 - Vacuum line to Secondary Air Injection (AIR) combi-valves
Oxygen Sensors Location Cylinder
Bank 1 (Right)
1 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-
2 - Heated Oxygen Sensor (HO2S) -G39-
Oxygen Sensors Location Cylinder
Bank 2 (Left)
1 - Heated Oxygen Sensor (HO2S) 2 -G108-
2 - Oxygen sensor 2 after catalytic converter -G131-