GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Geo 🢒 1996 🢒 Tracker - 4WD 🢒 Engine 🢒 Engine Controls - 1.6L 🢒 Engine Controls Component Views
Figure 1:

Information Sensors/Input Devices
Object Number: 190841 Size: LF
(1)Fuel Level Sensor (gauge unit)
(2)Fuel Tank Pressure Sensor, 4-wheel drive only
(3)HO2S 2
(4)VSS
(5)MAF Sensor
(6)IAT Sensor
(7)HO2S 1
(8)PSP Switch (if equipped)
(9)CKP Sensor
(10)ECT Sensor
(11)Battery
(12)MAP Sensor
(13)TP Sensor
(14)Transmission Range Switch (A/T Vehicle)
(15)CMP Sensor and Ignition Coil (located in distributor)
Figure 2:

ECM Controlled Devices
Object Number: 190844 Size: MF
(1)Fuel Pump Relay
(2)MIL
(3)Fuel Injectors
(4)Idle Air Control (IAC) Valve
(5)EVAP Canister Purge Valve
(6)EGR Solenoid Vacuum Valve
(7)EVAP Canister Vent Valve, 4-wheel drive only
(8)EVAP Tank Pressure Control Solenoid Vacuum Valve, 4-wheel drive only
(9)EGR Bypass Valve
Figure 3:

Other Components
Object Number: 190847 Size: MF
(1)Main Relay
(2)Engine Control Module (ECM)
(3)Data Link Connector (DLC)
(4)EVAP Canister
(5)Duty Check Data Link Connector
(6)Fuse Box
(7)EGR Valve
(8)EGR Back Pressure Transducer