long term fuel trims
#1
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long term fuel trims
-25 as ltft means its at its peak to compesate for leaness right. scan
tool shows one bank at -25. bad o2 or is it that lean. po174... thanks
tool shows one bank at -25. bad o2 or is it that lean. po174... thanks
#2
if its one bank it could be the o2 itself being bad. you can check them using hptuners in the scanner. just use the chart display and watch your o2's they just fluctuate pretty rapidly. if you have a lame one you found your problem.