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14/10/2022 5:34 pm
Topic starter
Short-Term Fuel Trim -0.782 to -2.344
Long Term Fuel Trim 2.343 to 0.781
the vehicle has about 140k miles
Just ran one bottle of royal purple 200 miles ago and always fuel with Shell Gas only.
are these values good enough or has any improvement suggestions?
Thank you!
3 Answers
2
14/10/2022 7:00 pm
It's 12 years old. Clean the MAF sensor, make sure your air filter is clean and maybe pressure clean those injectors. The Royal Purple may not have been enough, solvent wise, to really clean those injectors.
2
14/10/2022 10:01 pm
If your gas mileage is unaffected, I’d leave the vehicle alone.
2
14/10/2022 10:26 pm
are these values good enough
they're great
