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Thread: 2006 miata L33 & GTO pcm/harness swap?

  1. #11
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    Ahhh. If it were only that simple. We're entering the next level in swapping. CAN-BUS. Not the mention big brother sticking his neck where it has no right. Short version, 06'car, 06' engine & 06' PCM. Crank sensor replaced and working, still no start. How can I tell if the 2 PCM's I have are indeed 24t or 58t?

  2. #12
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    If they are E40s they ARE 24x.

  3. #13
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    Quote Originally Posted by finiata View Post
    Ahhh. If it were only that simple. We're entering the next level in swapping. CAN-BUS. Not the mention big brother sticking his neck where it has no right. Short version, 06'car, 06' engine & 06' PCM. Crank sensor replaced and working, still no start. How can I tell if the 2 PCM's I have are indeed 24t or 58t?
    Quote Originally Posted by L31Sleeper View Post
    If they are E40s they ARE 24x.
    What he said, ALL E40s = 24x. They CANNOT control a 58x engine.

    That said, ARE they E40s? LS1B 1MB PCMs were still made up through 2007 in trucks, if the ECM is from an 06 GTO and has 3 connectors on it, its an E40.
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

  4. #14
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    OK OK......finiata take a picture of these ECMs and POST it !!

    -Justin

  5. #15
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    Quote Originally Posted by ScarabEpic22 View Post
    What he said, ALL E40s = 24x. They CANNOT control a 58x engine.

    That said, ARE they E40s? LS1B 1MB PCMs were still made up through 2007 in trucks, if the ECM is from an 06 GTO and has 3 connectors on it, its an E40.
    If the ECM is 24x and the engine is 24x what IS the problem ?

  6. #16
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    Quote Originally Posted by L31Sleeper View Post
    If the ECM is 24x and the engine is 24x what IS the problem ?
    I thought the OP talked about doing a 58x conversion on his existing ECM (post #6) in order to diagnose the problem, there shouldnt be an issue now.

    A pic of the ECM/PCM would be nice if you have a sec finiata!
    Last edited by ScarabEpic22; June 21st, 2011 at 01:59 AM.
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

  7. #17
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    Post #6 was based on the confusion about the E40. I believe the confusion prevented the
    diagnosis of the problem.

  8. #18
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    Sorry guys seems I left everyone hanging. The moror is definetely a 24 as is the PCM, 3 plugs and has e40 on it inside the fins.. The only real problems now are the lack of tach signal and an open/closed loop problem (always running rich).
    Thanks to everyone the car is bitchn' wicked fun

    Well theres also AC and Cruise control to get figured out.

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