Ford Mustang Forum - View Single Post - 2004 mustang automatic engine into 2000 mustang, they have same computers?
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post #9 of (permalink) Old 02-15-2011
comrade14andrei's Avatar
Joined: Jan 2011
Location: Santa Barbara
Posts: 20
He needs the computer from the car the engine came from.
Like me, he lives in California, with some of the strictest emissions laws in the US. If the comptuer doesn't recognize the engine, the CES light will come on, and the car will not pass smog in the state.
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