Fuel Injection Mixer: Reassembly
- Install new seal ring into groove of throttle body. Install mixing body onto throttle body. Install ISC servo and bracket. Install connector bracket to throttle body and clamp ISC connector into bracket. Install throttle return spring and damper spring.
- Insert new seal rings (flat side up) into mixing body. See Fig 1
. Install new "O" ring onto injectors. Install injectors into mixing body pushing injector down firmly with finger. Injectors have identification marks stamped on the body. See INJECTOR IDENTIFICATION.
INJECTOR IDENTIFICATION
| Application |
Injector Code |
| Colt |
B |
| Conquest |
H |
- Insert pulsation damper diaphragm into injector retainer. Install pulsation damper spring and cover and tighten screws. See Fig 2
. Install new "O" rings onto regulator, then install fuel pressure regulator to injector retainer. Check filters in retainer for obstruction or damage and replace if necessary. Install injector retainer and push down firmly. Gradually and alternately tighten screws to specification.
- Insert joint "A" of throttle position sensor (TPS) to joint "B" and install to throttle body. See Fig 3
. Temporarily tighten screws. After installing injection mixer assembly to engine, adjust throttle position sensor. Clamp connector into bracket.
- Check for proper installation of throttle position sensor. Measure resistance value between terminals "1" and "2" or "2" and "3" while moving throttle lever from open to close. If resistance value changes as throttle lever is moved, TPS is properly installed.
