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Mazda Truck
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1992
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Navajo 2WD V6-4.0L OHV
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Repair and Diagnosis
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Powertrain Management
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Fuel Delivery and Air Induction
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Engine Failure or Reduced Performance
Engine Failure or Reduced Performance
POSSIBLE CAUSE
ACTION
Unfiltered air from air outlet tube(s),
^
Service as Necessary
air cleaner cover, idle by-pass hose
or crankcase ventilation hose.