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P0420

Factory Manual References

Factory service manual diagnostic procedure for 1998 mazda protege

A L L Diagnostic Trouble Codes ( DTC )

  • Testing and Inspection
    • Diagnostic Trouble Code Descriptions
      • Air Bag System
      • Antilock Brakes / Traction Control Systems
      • Instrument Cluster
      • P and U Codes
      • Transmissions Control Systems
    • P Code Charts
      • All Other P Codes
      • P0100
      • P0110
      • P0115
      • P0120
      • P0125
      • P0130
      • P0134
      • P0135
      • P0140
      • P0141
      • P0170
      • P0300
      • P0301
      • P0302
      • P0303
      • P0304
      • P0335
      • P0340
      • P0400
      • P0420
      • P0442
      • P0443
      • P0446
      • P0450
      • P0455
      • P0500
      • P0505
      • P0550
      • P0703
      • P0705
      • P0706
      • P0710
      • P0711
      • P0715
      • P0731
      • P0732
      • P0733
      • P0734
      • P0740
      • P0745
      • P0750
      • P0755
      • P0760
      • P1170
      • P1195
      • P1250
      • P1449
      • P1450
      • P1455
      • P1487
      • P1496
      • P1497
      • P1498
      • P1499
      • P1523
      • P1608
      • P1631
      • P1632
      • P1633
      • P1634
      • P1743
      • P1794
      • P1797
    • Manufacturer Code Charts
      • Air Bag Systems
        • DTC 0
        • DTC 3
        • DTC 6
        • DTC 7
      • Antilock Brakes /Traction Control System
        • DTC 11
        • DTC 12
        • DTC 13
        • DTC 14
        • DTC 15
        • DTC 22
        • DTC 24
        • DTC 26
        • DTC 28
        • DTC 29
        • DTC 30
        • DTC 51
        • DTC 53
        • DTC 61
        • DTC 63
      • Cruise Control
        • DTC 01
        • DTC 05
        • DTC 07
        • DTC 11
        • DTC 12
        • DTC 15
        • DTC 21
        • DTC 22
        • DTC 31
        • DTC 35
        • DTC 37
      • Instrumentation / Drive Info - Check Codes
        • Check Code 01
        • Check Code 02
        • Check Code 03
        • Check Code 04
        • Check Code 08
        • Check Code 10
        • Check Code 11
        • Check Code 12
        • Check Code 13
        • Check Code 14
        • Check Code 19
        • Check Code 30
        • Check Code 31

Supporting Diagrams & Locations

Reference material from the factory manual for this diagnostic procedure.

Diagram

External Pages

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