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Clean up tune??

Old 10-06-2018, 10:10 PM
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Originally Posted by HGT View Post
At idle or smooth cruise it should hover close to 14.7..... It would be beneficial if you had a scanner that could reset your fuel trim while idling to see where it goes first. Make sure first your injectors are clean, no small exhaust leaks near the O2, no vacuum leaks.
I always forget about that exhaust leak pre o2 sensor causing significant issues with fuel trims.
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