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12/09/2023 12:09 am
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Hi,
I have a 2017 Sequoia with 80k miles.
Live data shows 7.8% long term fuel trim bank 1
5,5% long term fuel trim bank 2
Short term are 0.8% both bank 1 & 2
Should I be worried that it's running lean?
I also had a weird code B1421 for a Solar sensor circuit.
1 Answer
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12/09/2023 7:08 am
That's pretty normal for one of those when they age. And the solar sensors. Just the stupid temperature of the sun for your AC. As long as your AC runs good, leave it alone.
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