Thread: P0420 Permanent
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Old 12-28-2020, 09:17 AM   #4
czellers
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Quote:
Originally Posted by VoltsFRS2013 View Post
Should be. However, I'd chill on driving your car until you get that OFT in.

Makes a pretty significant difference running that header then you might think. I've seen and heard some nightmare stories of people running headers without a tune and regretting it lol
Nice, yea ive got the OFT here now, I work from home and since I've gotten it I drive it once or twice a week at lunch around the block.

Do I need to clear all the non-permanent (if any) DTCs prior to throwing the tune in?
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