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Re: 2017 Miata Grand Touring CEL

Posted: Wed Dec 09, 2020 2:15 pm
by Brian
The ND has a super smart ECU and I doubt the car is actually running lean. If you have a means of doing a log then I would do it. Most customers with header are running a tune to get full advantage from the upgrade and that tune will usually have a setup to log so you can send a log back to your tuner. Tell your turner about the codes and ask them to look at the log.