Regal V6-191 3.1L (1991)
1.
Place a new seal on the fuel pressure connection assembly.
2.
Screw the fuel pressure connection assembly into the fuel rail and tighten to 10.0 Nm (88 lb.in).
3.
Check for fuel leaks:
a.
Connect the negative battery cable.
b.
With engine OFF and ignition ON, check for fuel leaks.
c.
Disconnect the negative battery cable.
4.
Install the intake manifold plenum as per above procedure.
IDLE LEARN PROCEDURE: Any time the battery is disconnected, the programmed position of the IAC valve pintle is lost, and replaced with a
default value. To return the IAC valve pintle to the correct position, perform the following procedure:
1.
After restoring battery power, connect the Tech 1 "Scan" tool.
2.
Select "IAC System," then select "Idle Learn" in the "Misc. Test" mode.
3.
Proceed with idle learn as directed.
^
This procedure allows the ECM memory to be updated with the correct IAC valve pintle position, for the vehicle, and provide a stable idle
speed.
