I recently grabbed a scanner in order to see why I kept getting p0172 which is system rich. My LTFT is -3 at idle but during partial throttle it's -21.3! My STFT bounce from negative 10 to positive 10. That is the wide spectrum for the most part it stays +/- 5. It seems to be better when I'm in third gear. I usually see around -16 when in third but fourth and fifth I'm higher.
Can anyone help me figure this out? I'm not throwing p0172 right now but I'm afraid the LTFT will continue to rise and eventually I will trip the code. What can cause a normal LTFT at idle but rich while partial throttle is applied?
Sorry I don't have any freeze frame data available since I haven't tripped the code since I got the scanner! Figures I finally buy a scanner and now no light on!
Can anyone help me figure this out? I'm not throwing p0172 right now but I'm afraid the LTFT will continue to rise and eventually I will trip the code. What can cause a normal LTFT at idle but rich while partial throttle is applied?
Sorry I don't have any freeze frame data available since I haven't tripped the code since I got the scanner! Figures I finally buy a scanner and now no light on!