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Addressing fuel trim issues

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Old 05-03-2020, 11:42 PM
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TexSquirrel
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That’s awesome.
Old 05-07-2020, 12:17 AM
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wsrgklt
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Got the new o2 sensors installed today. Not too difficult once the old ones were broken free. Here’s the old one on the left and a new one on the right.

I warmed it up and ran the o2 sensor diagnostic on OBD Fusion again, but didn’t really see any difference in the data gathered. However, everything checked out, the car runs and I didn’t cause a CEL. So I’ll call that a victory.
Old 05-07-2020, 02:16 PM
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808Bill
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Originally Posted by wsrgklt
Got the new o2 sensors installed today. Not too difficult once the old ones were broken free. Here’s the old one on the left and a new one on the right.

I warmed it up and ran the o2 sensor diagnostic on OBD Fusion again, but didn’t really see any difference in the data gathered. However, everything checked out, the car runs and I didn’t cause a CEL. So I’ll call that a victory.
How long/far did you drive it?
Old 05-07-2020, 10:29 PM
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wsrgklt
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Originally Posted by 808Bill
How long/far did you drive it?
just long enough to get it fully up to temperature.
Old 05-08-2020, 12:05 PM
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Originally Posted by wsrgklt
just long enough to get it fully up to temperature.
So about 5 minutes/5ish miles? I think you should drive it longer.
Old 05-16-2020, 04:47 PM
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Got some more miles on the new sensors. LTFT on Bank 1 continues to come down and is now at 5.5%. So close to sub 5! Hopefully a few more miles will see it come down a bit more. Bank 2 seems to have stabilized around 3%, which I can live with.






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