Mazda 626 MX-6 Workshop Manual page 230

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Intake Air System
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(Poor connection of components, throttle body)
Fuel System
CO r\5
(Fuel injection, Fuel pressure)
Pressure Regulator Control System
Idle Speed Control (ISC) System
(Air valve, Idle speed control solenoid
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malfunction)
Turbochargine System
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(Oil & water passage, Turbine and
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compressor wheels malfunction)
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Electronic Spark Advance (ESA)
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EGR System
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(EGR control valve stuck and open)
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EEC System
(Vacuum switch valve, No.1 purge valve
walfunction)
PCV System
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(System clogged)
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Deceleration System
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(Fuel cut operation malfunction)
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Exhaust System
(System clogged)
Possible cause
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