Tracker 4x2 L4-1590cc 1.6L (1991)
a.
The throttle position sensor, ISC solenoid valve, fuel injector, fuel pressure regulator, air valve, throttle opener and other components containing
rubber must NOT be placed in any solvent or cleaner bath. A chemical reaction will cause these parts to swell, harden, or deform.
b.
DO NOT put drills or wires into the passages for cleaning. They will damage the passages.
ASSEMBLY:
1.
Install a new gasket to the lower body assembly.
2.
Install the upper body on the gasket, using care not to cause to gasket to slip out of place.
3.
Install the ISC solenoid valve. Refer to IDLE SPEED CONTROL VALVE (ISC).
4.
Install the fuel pressure regulator. Refer to PRESSURE REGULATOR ASSEMBLY.
5.
Install the TPS. Refer to THROTTLE POSITION SENSOR (TPS).
6.
Install the fuel injector. Refer to FUEL INJECTOR ASSEMBLY.
INSTALLATION:
1.
Install a new throttle body base gasket.
2.
Install the throttle body to the intake manifold.
3.
Install the four fasteners. Tighten to 18.0 to 28.0 N-m (13.0 to 20.0 lb. ft.).
4.
Reconnect the PCV hose to the throttle body.
5.
Reconnect the fuel pressure line and clamp.
6.
Reconnect the fuel return line.
7.
Reconnect all vacuum hoses.
8.
Reconnect the two electrical connectors.
9.
Reconnect the engine coolant hose to the air valve.
10.
Reconnect the accelerator cable and adjust. Refer to ADJUSTMENT PROCEDURES/ACCELERATOR CONTROLS.
11.
Reconnect the cruise control cable if equipped.
12.
Reconnect the kick-down cable if equipped. Refer to ADJUSTMENT PROCEDURES/ACCELERATOR CONTROLS.
13.
Refill coolant to the proper level.
14.
Reconnect the negative battery terminal.
15.
START engine and check for fuel leaks.
