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Old 09-11-2006, 08:31 PM
TMAllison TMAllison is offline
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Join Date: Feb 2004
Location: Walnut Creek, CA & 1,150 miles S of Key West
Posts: 4,874
A MAS fault ought to light up your check engine light as it is emissions related.

If the light is on the first thing to do is to read the codes with a scanner.
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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)
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