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Re: the most common one to fail.... Posted by SWEDECAR [Email] (#112) [Profile/Gallery] (more from SWEDECAR) on Wed, 28 Sep 2016 12:51:24 In Reply to: Re: the most common one to fail...., David Cornwell, Wed, 28 Sep 2016 12:02:11 Members do not see ads below this line. - Help Keep This Site Online - Signup |
It is still an unknown world and we don't know the answer until after the ECU is installed and programmed but it has been cases where newer ones have worked in older cars.
One benefit I noticed one time installing an 06 ECM in an 03 was that the SAI smog readiness was set to ready right at start since 04 and up does not have that system.
Part number on the outside of the box does not mean that much anymore. It is what the software inside say that is more important from what car it came from.
Anders
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