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1997 Mazda Protege DX 1.5L MIL Lamp on
Posted to Asian Driveability on 7/4/2006 23 Replies

Need help IATN!!

Car keeps setting PO420. Normally off highway, after 1/2 hour drive and when back at city speeds. Replaced convertor (good used) orginally when tested oxygen sensors reading equal front & rear and found cracked manifold (replaced w/new). Code...

23 Replies Received (View Replies)

  Related Documents & Media  1997 Mazda Protege DX

 
Message Closed w/Summary

car Vehicle Data

1997 Mazda Protege DX

VIN JMIBC1411V
Engine1.5 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

420Catalytist efficiency
Message Closed w/Summary

car Vehicle Data

1997 Mazda Protege DX

VIN JMIBC1411V
Engine1.5 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

420Catalytist efficiency