mazda
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mazda Code car problem P1406
Differential pressure feedback sensor – downstream hose off or plugged
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mazda Code car problem P1405
Differential pressure feedback sensor – upstream hose off or plugged
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mazda Code car problem P1402
Exhaust.gas recirculation (EGR) valve position sensor – voltage low/high
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mazda Code car problem P1401
Differential pressure feedback sensor – high voltage detected
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mazda Code car problem P1400
Differential pressure feedback sensor – low voltage detected
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