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94 940T NOx fail 900

posted by  hanacaptain on  Sun Feb 24 22:14 CST 2013
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last visit: Fri Oct 24 11:47 CST 2014
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My 1995 940 NA failed NOx horribly. The local Volvo specialist said I needed a new air mass meter and catalytic converter. Turned out all that was wrong was dirty contacts on the plug to the air mass meter. A little cleaning of the contacts and some dielectric grease brought the NOx from over 3000 to 27!

John

1995 945 NA, 1995 965






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New 94 940T NOx fail [900]
posted by  rjk2  on Thu Feb 21 18:38 CST 2013 >


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