Air/Fuel Mixture control unit
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Air/Fuel Mixture control unit




Hello DML,

I'm helping out a new owner tune up his car and replace the fuel 
injection system. We have reset the car back to factory settings. However we 
have encountered a small adjustment issue.

Installed new fuel distributor and control pressure regulator, etc., etc., 
on new owners car. What is proper way to adjust air/fuel ratio?

Engine starts, however only runs when fuel distributor is free (loose) 
from mixture control unit. (Fuel lines attached) 

i.e. Engine will stall when three screws to attach fuel distributor to 
mixture control unit is secure. Engine will run when screws removed, however 
idle is rough.

Seems as though the plunger on the bottom of the fuel distributor is out 
of sequence with the air plenum arm beneath the air box.

This is the first time that I have seen the air plenum and fuel distr. 
plunger is out of alignment.

Thanks
Mike





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