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BP Swap Problem Solved(No really this time)

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    BP Swap Problem Solved(No really this time)

    After testing everything possible to figure out why my BP wasnt running right I was about to give up. But today the car gods were on my side and i found the problem! OBD2 cars are supposed to send 5volts to things like the TPS and Coolant Temp Sensor and many other things. Well, I found out my system isnt sending 5 Volts it will spike to 4 maybe 5 every once in a while. There is no continuity in the 5volt source.... This is why my idle and all was jumpy, because the signals were jumping with the power. Can anyone think of why this is happening? Bad ground maybe???? I dunno....
    sigpic

    #2
    pm kansei
    photo album|photo album 2 (pbase)

    dbest1a AT yahoo DOT com

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      #3
      Sounds like bad voltage regulation.
      Can you trace the 5V? Where is it coming from? work from there...

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        #4
        I played around with my batter ground, it was loose. So i tightened it and it stays at 5 volts but i still have the same problem....Duh..i dunno what to do now.
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          #5
          Well fellas it now really is solved! I fixed my protege last night!!!! It turns out the timing belt was slighty off by a tooth or two... My BP puuuurrs like a kitten now. And i thought it was fast before!!!! I took it out for a spin and the diffrence blew my mind. It fuggin halls asss!!!! God, it feels so good.. but i spent all last night working on it so now its time for some sleep!
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            #6
            Timing belt? All this trouble was caused by the stupid timing belt?
            Man, this is quite an encouragement.

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              #7
              Originally posted by Intruder
              Timing belt? All this trouble was caused by the stupid timing belt?
              Man, this is quite an encouragement.
              you'd be surprised what hell 1 tooth off would put you through.
              photo album|photo album 2 (pbase)

              dbest1a AT yahoo DOT com

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                #8
                It feels really good once you get everything working right.
                2006 Mazda 3 hatchback manual

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                  #9
                  Originally posted by charles
                  It feels really good once you get everything working right.
                  Yea it does. It still amazes me how much faster it is. Several people lost against the protege tonight
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                    #10
                    How'd you come to realize that the cam timing was off??
                    Also, which cam was it??
                    The exhaust cam where the Disty is mounted, would that give issues with setting ignition timing as well??

                    Aslo, good job getting it fixed!!!!
                    Ryan The middle child is always ignored
                    BP powered 97LX Touring Edition
                    Vibrant strut tower brace, KVR front brake pads, Tungsram Megalicht H4 headlight bulbs, Phillips Halogen H3 foglight bulbs.... 91 GT rims w/ 195 60 14 Yokohomo Mirada GTX sport

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                      #11
                      yup, it sure is quicker ... I just need to get past that damn rear o2 sensor and then get my ecu read. I am trying to get rid of the damn check engine light.
                      photo album|photo album 2 (pbase)

                      dbest1a AT yahoo DOT com

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