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Mazda Engine Performance \  ecu swap ??

ecu swap ??

Mazda Engine Performance Mazda Engine Mazda Tech
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phil80883   +1y
will a 2003 ecu fit into 2001 model ? will there be any befits ?
RustyBanger   +1y
I got a plastic encased ECU, (G695,) from an early 2000's bravo & found that I didn't get ignition with my 98' Couriers wiring, (the earlier Courier's Bravo's have a steel encased ECU, (G654), which is grounded externally, rather than internally through the wiring harness of the 2000's ECU.) I think that's the main reason why it didn't work. Still for $60 not much of a loss - the rated 92kw remains the same.
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