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Home >> Mazda >> 2003 >> MPV ES >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0032: Right Front Ho2S Heater Circuit High >> Possible Causes

Possible Causes

Faulty Right/Front HO2S.
PCM malfunction.
Short to power between right front HO2S and PCM.
Short at right front HO2S or PCM harness connector terminals.

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