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 what year did they start having chipped keys 
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Joined: May 29 2005, 5:52 PM
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Post what year did they start having chipped keys
I`m on the look out for a immobilser for P reg v6 mx-3 ( mines died).
i`m after one from a breakers yard, question is what year did they start having the chipped keys & immobilser. I know the J reg ones dont have them, if you have say a L reg that does need a chipped key, could you let me know..................


April 30 2006, 10:58 AM
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Joined: September 27 2004, 2:01 AM
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Mines a M reg, and no chipped key here. Ive got a cobra alarm/immobilizer.
Is there no way you could add a after market imobilizer to override the mazda one??
Ive got 2 massive genuine mazda manuals on the mx-3. ( big fat red ones from ebay ) Ill have a look to see if theres any wiring info ?
Have you checked the online manual ??
On mitsubishi and a renault i had the the immobilizer was built into the ecu, dont know if mazda did the same ??

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2.5 Ze straight neck, blitz intake, mazdaspeed engine mounts, fidenza flywheel, CM II Clutch, KL-36 ecu, Magnecor 8mm Leads, Battery Relocation. Hotshot headers, 2.5 mandrel bent stainless exhaust, hi-flow cat, Speed hut dials, custom coilover set up. Custom willwood big brake conversion.


April 30 2006, 3:56 PM
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Thanks for the reply mate.
Looks like they only fitted them from 96 onwards.............just my luck.The immobilser is fitted under the centre consul near the ECU.

Theres a shed load of wires attatched to the immobiliser, so bypassing it looks very difficult.
I`m guessing my problem is the thing that reads the chip in the key ( located around the ignition switch).

This cars being a right pain..............


May 01 2006, 3:54 AM
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All cars are a pain in the arse at some point in there life, :D
all the immobilizer is, is a relay switch which isolates a key part of the ignition, so if you can find the wires that it is switching its just a case of cut and join, ( fingers crossed )
With VW theres a code you can input if you loose your key, by turning ignition on/off in sequence with the code, this deactivates the chip reader, but if such a thing existed i expect mazda would have told you.
I let you know if i find anything.

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2.5 Ze straight neck, blitz intake, mazdaspeed engine mounts, fidenza flywheel, CM II Clutch, KL-36 ecu, Magnecor 8mm Leads, Battery Relocation. Hotshot headers, 2.5 mandrel bent stainless exhaust, hi-flow cat, Speed hut dials, custom coilover set up. Custom willwood big brake conversion.


May 01 2006, 1:36 PM
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Yes there is a code. Mazda take the number off the immobilser & that generates a key code on there computer, which they code on your key............the cost £140.

Well its been to mazda & they say its not responding to the code & they have phoned mazda technical support who told them to do a full immobiliser check. The current bill was £180 & any futher work was going to cost £65 ph + parts. Not going to pay anymore to mazda............I hooked it up & towed it home.


May 01 2006, 3:44 PM
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holy shizzle !! :shock:

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2.5 Ze straight neck, blitz intake, mazdaspeed engine mounts, fidenza flywheel, CM II Clutch, KL-36 ecu, Magnecor 8mm Leads, Battery Relocation. Hotshot headers, 2.5 mandrel bent stainless exhaust, hi-flow cat, Speed hut dials, custom coilover set up. Custom willwood big brake conversion.


May 02 2006, 1:08 PM
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