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Mazda
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2012
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Mazdaspeed3 L4-2.3L Turbo
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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U Code Charts
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U3003
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U3003:16
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HVAC System
HVAC System
DTC U3003:16, U3003:17
Diagnostic procedure
