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Mazda
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2009
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5 L4-2.3L
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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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P Code Charts
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P0403
P0403
DTC P0403 [L3]
Detection Condition:
Possible Cause (Part 1):
Possible Cause (Part 2):
Diagnostic procedure
Step 1-Step 7:
Step 8-Step 11:
