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diognostic code reading? 200 1990

Thanks a million, Machine Man!! I did put in new Bosch copper super plus wwr7dc plugs, cap, and rotor. I also found 2 loose nuts at manifold to take-down pipe! I'm thinking that gave O2 sensor a lean mix reading, is reading between .40 and .55 now, and fingers crossed, no CEL! Drives much smoother now.I also have no EGR to worry about.Now my only code is 3-1-1 ( missing speed signal).Thanks again for all your help!






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New diognostic code reading? [200][1990]
posted by  panelmon  on Tue Sep 10 17:48 CST 2013 >


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