Have a 96 mustang 3.8 want to put in a 2000 3.8 do I need to change the pcm computer to

Asked by Aug 28, 2015 at 09:24 PM about the 1996 Ford Mustang Coupe

Question type: Maintenance & Repair

7 Answers

11,870

The majority of Pick-ups and sensors may have drastically changed ( I know the MAF Has and there are 2 O2 sensors instead of 1) Most salvage yards won't sell you anything emission related .. it could get expensive. They probably would sell you a computer from that year/engine

My 96 has 2o2 sensors. Does the 2000

109,825

No but you will have to transfer all of the 96 equipment to the 2000 engine and I do mean everything.

11,870

The algorithm in the two computers is different ... you can modify IO's but the actual program uses ERM and EEProm parameters that are addressed to the input/output ports and these ports and not be at the same address's . If your old OBC was compatible then you would not only need to reprogram but you would need to know the input address of every wire going in and out .. including the anti-theft

109,825

I think you guy are getting it backwards, he is using a late model block dated year 2000 to put in his year 1996, if he transfers everything to the 2000 block from the 96 block none of the parameters change, just the basic engine year. Heck I put a roller rocker late model engine into a 75 little Mustang Ghia, and that was going from full electronics back to The early Ford Dura spark system, so it can be done with some elbow grease and some basic knowledge.

11,870

Courage ... what makes a Muskrat Musk -Courage ~~~ What is it I an't got ~~~~COURAGE~~~~~~~~~~~~~~~ Cowardly Lion

109,825

I don't know about you Tom, I know I'm not in Kansas Toto.

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