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  1. R

    Power locks problem 02 Protege5

    First things first all my door locks work when I pick the lock & unlock button on the door panel. Now when I use my aftermarket alarm to lock & unlock from the remote it doesn't lock the doors just set the alarm on Now when I use to put the car in drive &or park the doors would auto lock or...
  2. R

    P0421 Code Help?

    I've seen that video it's an easy fix. Just want to fix that other code & keep the car stock as possible with no short cuts here in NJ we have inspection & the do a visual look at the cats Sent from my iPhone using Tapatalk
  3. R

    P0421 Code Help?

    Thank you Sent from my iPhone using Tapatalk
  4. R

    P0421 Code Help?

    I have a 2002 protege5 wagon & my light came on do to a p0421 code. Should I just replace the cat. Or is there something else I should do. This is my First Mazda & everything is new to me. I also had a p1250 code but I found that's an easy fix? Does that relate to the 0421 code by any chance...
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