CO for idle must be set with the idle switch closed with the potentiometer and after main CO is set at load with the adjustment on the MAP-- the two circuits are separate but interconnected. 2.0 CO at idle will nearly foul the plugs, too, as well as reducing milage considerably....I'm keeping mine on the lean end of the scale so I can afford to drive it!
Peter
Peter
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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!
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