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TTruckTim replied to the thread Idle Emissions Help.I had the air screws all the way in for that test. I followed the steps previously mentioned to get them back to where better adjustment...
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TRule of thumb, high CO is rich. high HC is anything other than fuel from engine condition to a misfire. Usually, HC will be low with...
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TTruckTim replied to the thread Idle Emissions Help.You are right about it not sounding super clear yet, but hopefully this battle gets me closer to understanding. The engine was replaced...
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TAlso, make certain that your EGR Valve is operating properly and not plugged up or rusted shut.
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TWhat are the actual readings? Another idle suggestion. Many times if the idle is increased to just below the max emissions will clean...
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TTurn both idle screws all the way clockwise until they lightly bottom out. Then back them out 1-1/2 turn. You will need a tach to...
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TIf you have the idle screws all the way in and it still idles,something is wrong. You have the throttle stop screw in too far and are...
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TTruckTim replied to the thread Idle Emissions Help.Thanks all for the responses! Readings are Loaded 110 HC 0.51 CO (220 HC and 1.5 CO is the limit), but idle 4.18 HC and 4.08 CO (220 HC...
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TTruckTim replied to the thread Idle Emissions Help.Dang you were fast. Completely did not even consider the throttle screw. Did have the timing adjusted when I first got it, but wont hurt...
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THi all, hoping someone here will know where to point me. I am still pretty new to working on engines so I am at a bit of a loss. My tuck...
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