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Successful, tune! Fuel and spark timing adjustments. For new CAM!

So, I have downloaded and written the ECM several times now, started off with timing additions and then have moved into fuel trim! Trying to get the new cam to sing!!! It?s good until almost the...

I have been able to connect to the ECM and down load tune! 2001 Jeep cherokee XJ.

The next step is to learn about the system.....Don't Select Write unless your ready!!!!

Hello,

I just ordered the MVP13 package, I'm looking for anyone who has tuned a 4.0 to ask some questions too.

Thanks Marc