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CODE 433 ON A2 SOCKET 850 1994

ALL volvo 850's have knock sensors, Euros included. Your 231 is caused by the sensors (433 and 143) hearing some noise or they have failed. I don't know your milage, but suggest you change both sensors before you ruin something by running too rich. Besides, you probably on get 10 mpg right about now.

Klaus

--
95 854T, 88 780, 88 245






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