We have a 2006 Camry 4 cylinder with currently 380,000 miles. Nothing is wrong with it. I plugged in an OBD reader after letting the car warm up and reach operating temperature. When I looked at live data it's saying 3.1% for short term fuel and 4.7% for long term fuel. Is this normal? What should the correct readings be? We still get good gas mileage. I believe like we get 28 mpg combined. We always keep up with the maintenance and always do tune ups right on time. Is this normal? Should I be worried? Anything helps thanks.
That's well within acceptable parameters particularly for an 18-year-old car with very high mileage.
When I looked at live data it's saying 3.1% for short term fuel and 4.7% for long term fuel. Is this normal? What should the correct readings be? We still get good gas mileage.
Don't put too much emphasis on the STFT. Ideally, your LTFT would be around 0.
If I might suggest, check you LTFT at different RPMs. Check at idle, 1500, 2500 and 3500 RPMs. You can get a more 'complete picture' of what's going on doing this. For example, I checked my 2011 Camry's long term trim last week.
- @650 -5.5
- @1500 -3.9
- @2500 -2.5
- @3500 -1.6
Even though it's running rich, I won't 'fix' anything atm because I'm getting the best gas mileage I've ever gotten,
