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Home >> Mazda >> 2004 >> RX-8 1.3 3 >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P1309: Pcm Internal Circuit - Malfunction >> Possible Cause

Possible Cause

WARNING: This page is about a different car, the 2003 Mazda MPV and 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

PCM internal circuit which is detecting misfire malfunction.