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B20F mixture adjustment 1800 1970

posted by  Thad G. on  Mon Jun 21 15:13 CST 2004
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All good posts but nobody mentioned that a faulty temp sensor for coolent or for air can cause a d-jet to run very lean or rich. Check the resistance levels on these two sensors at a known temperature and compare to specs befor doing anything expensive. There is an adjustment in the map sensor that will change the mix over the whole range but it is not for the shade tree machanic. Thats why they put it behind a big plug and then sealed it up in resin. The big plug also has a purpose in the adjustment so don't play with it unless you know your stuff.

Thad
Seattle, WA






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