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Hi, I just got the sct x4 tuner for my 2017 6.7 and I’m trying to get the the best mileage I can.
1. what stock tune is best for mileage?
2. Should I look for a custom tune, if how?
3. My engine light is on now following using the street tune why is that?
Hi, I just got the sct x4 tuner for my 2017 6.7 and I’m trying to get the the best mileage I can.
1. what stock tune is best for mileage?
2. Should I look for a custom tune, if how?
3. My engine light is on now following using the street tune why is that?
thanks in advance
Tom
Banks is better for fuel ecomony... The SCT might throw a code if your completely stock. If you are throwing more fuel at it
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