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21/10/2023 11:25 am
Topic starter
I have a 2008 Toyota Sequoia with 221,000 miles and I noticed a rich exhaust smell. I ran my live data on my Blue Driver scan tool and it reads 10.7% on both banks. How can I fix this? Thanks
2 Answers
2
21/10/2023 11:49 am
Did you change your air filter?
2
21/10/2023 3:32 pm
How can I fix this?
To fix the issue, you need to find the cause. There are many possible causes, so to narrow it down, you need to run tests.
For example:
- smoke test the exhaust system for leaks
- injector balance test (need mechanic with good diagnostic tool)
- MAF sensor check
- misfire check
I cleaned the Throttle Body and MAF. Air filter is new. At idle, I'm at 10.2 on bank 1 and 8.6 on bank 2. While driving, I'm around 5-6%
sorry, 10.2 what?
5-6% what?