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Mazda TSB #01-012-20-3738
2020 Mazda MAZDA3
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- Some vehicles may experience the check engine light on with DTCs P2096:00, P2097:00 and/or P0524:00 that cannot be cleared by itself, and the check engine light stays on even if the detection condition has gone. P2096:00 - Air fuel too lean  P2097:00 - Air fuel too rich  P0524:00 - Engine oil pressure too low. This concern may be caused by improper PCM control logic. The PCM software has been modified to eliminate this concern.
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