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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5
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WARM-UP THREE-WAY CATALYTIC CONVERTER (WU-TWC) INSPECTION [SKYACTIV-G 2.0]

CAUTION:

  • Perform the following procedures, when DTC P0421:00 is only indicated.

1. Connect the M-MDS to the DLC-2.
2. Perform the KOEO self-test. (See KOEO/KOER SELF TEST [PCM (SKYACTIV-G 2.0)].)

  • If the following DTCs are detected, repair the applicable malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [PCM (SKYACTIV-G 2.0)].)

    • P0421:00

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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5

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