Question about 1998 Cadillac DeVille
It is not hard. It is located underneath the spark plug wire cover near the rear bank of the engine. You will have to move the spark plug wire cover, you
don't have to completely take it off. Just lift it up and lay it sideways on top of the engine. To clean the valve, simply spray carborator cleaner on and in the valve and wipe the dirt off with a cloth. Be very careful not to get it into
the canister, as the carb cleaner is a very powerful deturgent that will eat away the insulation on the windings in the sensor. I would try cleaning the EGR valve first. They can be cleaned for less than five dollars. :) PLEASE RATE THIS. JAMES BOOTH. Hope this helps.
Posted on May 21, 2011
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Posted on Jan 02, 2017
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