Have you tried this thread's adjustment method?
Edit - Linked wrong thread Let me look some more.
Ok Here are the correct links.
Base adjustment from
Base setting of mixture for CIS 1980SC? post 3
Quote:
Originally Posted by timmy2
I am going to type this out for you as I can't get a good picture from my Service Manual. Not word for word and you don't need to bleed your lines.....
From:
Basic Adjustment of Mixture Control Screw after Replacement of Operating Lever
1. Pull injectors with lines attached and place in clear jars to see fuel flow.
2. turn mixture screw 1-2 full turns counter-clockwise
3.Turn on ignition and pull the safety switch or jumper the fuel pump relay socket to force pump to run.
4. Turn the mixture screw clockwise until the injectors just begin to eject fuel, then turn screw back 1/2 turn counter clockwise.
5. Run engine to full operating temperature and adjust idle speed and CO level to their specified values.
That is all they give.
Hope it helps.
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Now for the adjustment without a meter.
CIS Idle Speed and Mixture Setting Without an Analyzer