How To ID a ECM

Discussion in 'Fox 5.0 Mustang Tech' started by precision1605, Dec 9, 2003.


  1. precision1605

    precision1605 New Member

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    Anyone know how to identify if i have a speed density or mass air ECM???I got a extra 1 with the car i bought and not sure what it is????
     
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  2. GT40XStang9

    GT40XStang9 Thanks to Tim, I get off pretty easy.
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    What year is your car?

    Is there any type of metal thing between your filter and the throttle body?
     
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  3. precision1605

    precision1605 New Member

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    Car is 89 with mass air.Not sure what the extra computer he gave me is though....
     
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  4. BlackFox5.0

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    It should have a sticker on the plastic part where you plug the main harness into, if it doesnt have the sticker, then theres really no way (that I know of) to identify what computer it is
     
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