Colt L4-1410cc 1.4L SOHC (1984)
Note the engine rpm increase. Specified values of each engine propane idle speed increase are outlined in Figure 2.
If the propane idle speed exceeds more than 25 rpm from the specified value in Figure 2 or the rpm does not increase at all, idle fuel mixture
should be adjusted according to the propane assisted idle set procedure that follows.
FIGURE 4
11.
It is not necessary to remove carburetor from intake manifold to remove the idle mixture screw plug.
Drill out concealment plug on car. Remove vacuum connector from high altitude compensator (HAC) fittings on carburetor air horn (Figure 4).
Use a 1/4" diameter drill 8' long at the 11 o'clock position on the plug boss. Locate drill point 3/16" from end of boss.
Plug should pop out when the drill bit contacts it (Figure 4).
12.
Start engine and run for 1 minute at engine speed of 2500 rpm.
13.
Run engine at idle for 2 minutes.
