GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2001 🢒 SL1/SC1/SW1 🢒 Engine 🢒 Engine Controls - 1.9L 🢒 Engine Controls Component Views
Figure 1:

1.9L SOHC (L24)
Object Number: 873997 Size: MF
(1)Manifold Absolute Pressure (MAP) Sensor
(2)Fuel Injectors
(3)Throttle Body
(4)Throttle Position (TP) Sensor
(5)Idle Air Control (IAC) Valve
(6)Exhaust Gas Recirculation (EGR) Valve
(7)Engine Coolant Temperature (ECT) Sensor
(8)Transaxle Solenoids
(9)Transaxle Fluid Temperature (TFT) Sensor
(10)Input Speed Sensor (ISS)
(11)Electronic Ignition (EI) Module and Coil Packs
(12)Oxygen Sensor 1 (O2S-1)
(13)Spark Plug Wires
Figure 2:

1.9L SOHC (L24) - Continued
Object Number: 874002 Size: MF
(14)EVAP Purge Solenoid
(15)Generator
(16)Engine Oil Pressure (EOP) Switch
(17)Knock Sensor
(18)Crankshaft Position (CKP) Sensor
(19)Output Speed Sensor (OSS)
(20)Transaxle Range Switch
Figure 3:

1.9L DOHC (LL0)
Object Number: 874008 Size: MF
(1)Spark Plug Wires
(2)Throttle Body
(3)Idle Air Control (IAC) Valve
(4)Throttle Position (TP) Sensor
(5)Exhaust Gas Recirculation (EGR) Valve
(6)Engine Coolant Temperature (ECT) Sensor
(7)Transaxle Solenoids
(8)Transaxle Fluid Temperature (TFT) Sensor
(9)Input Speed Sensor (ISS)
(10)Electronic Ignition (EI) Module and Coil Packs
(11)Oxygen Sensor 1 (O2S-1)
Figure 4:

1.9L DOHC (LL0) - Continued
Object Number: 874012 Size: MF
(12)Fuel Injectors
(13)Steering Assist Solenoid
(14)Generator
(15)Manifold Absolute Pressure (MAP) Sensor
(16)Engine Oil Pressure (EOP) Switch (Hidden)
(17)Crankshaft Position Sensor (CKP) Sensor
(18)EVAP Purge Solenoid
(19)Knock Sensor
(20)Output Speed Sensor (OSS)
(21)Transaxle Range Switch