Question about 2007 Mazda Speed 3 Hatchback

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Speedo reads slower than actual speed by about 8%

Hi. I need to "tap into" the speed sensor wire so that I can electronically change the pulses (I have purchased a "speedo corrector" kit from Jaycar Electronics).

I have spent hours looking for the wire. Does anybody know exactly where it is and the colours?? Thanks in advance. Greg.

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  • 8 Answers

I fixed it. You just need to physically move the speedo hand anticlockwise. Be careful though.

Posted on May 21, 2014

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SOURCE: Mazda 3 2004 Oxygen Sensor

It calls for a four wire sensor. Try wwwoxygengeek.com call there 1800 number for a thorough listing.Because somtimes they dont list a vehicle on there site.Good Luck!!!

Posted on Aug 04, 2008

emjem74
  • 162 Answers

SOURCE: speedo plug gear has broken off into gearbox

well you can but it is a bit more difficult than that as you will need allignment tool to replace and also the might be excess tension and you might need a pulling tool also to remove. it is very unusual that the mechanism drops into the gearbox though? well without effecting the performance of gearbox such as whines and creaks?

Posted on Mar 04, 2009

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SOURCE: The speedo on my 98 1.8 i six speed mx5 sometimes

Change speedo sensor located on a gearbox-if electric.If wire-check wire and dashboard instrument panel

Posted on Nov 30, 2009

Testimonial: "Thanks. I'll pass this on to my mechanic."

wireguy212
  • 1627 Answers

SOURCE: Speedo and odometer stop working

Replace the transmission speed senser in the transmission.

Posted on Dec 03, 2009

Ken17402
  • 615 Answers

SOURCE: speedo fluctuates between 20 &

remove your speedo cable if its in ok shape lubercate it with high temp greese if its not in good shape and it may not be replace it before it breaks off in housing

Posted on Nov 21, 2010

6ya6ya
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Posted on Jan 02, 2017

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00 ford focus 1.4 estate speedo stops working and some times digital display looks like ----. all other guages work


hi
your speedo works via the wheel speed sensors and/or the engine speed sensor and is processed via the ecu. facias are far more complicated than older models and do fail requiring specialist repair. To actually replace would require reprogramming in most cases.
I suggest you get your Focus scanned and see what dtc codes come up....speak to the technician and see if they make sense.
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