engine code

2001 MAZDA MILLENIA
82,000 MILES
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HOTTRODD1090
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engine code p0154 on a mazda millenia type s
Nov 19, 2010 at 10:13 PM
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BLUELIGHTNIN6
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DTC P0154: Left Front HO2S Circuit, No Activity Detected

This is indicating a faulty left front oxygen sensor, first ensure wiring is goo to sensor if it is then replace sensor.
Nov 19, 2010 at 11:38 PM