High Short Term Trim Fuel
12-21-2011, 08:25 AM
#1
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High Short Term Trim Fuel
I have an '04 TL with CAI and 140k miles on it. I just bought a OBDII scanner to play with and noticed what appear to be VERY high stft readings, peaking at 100%.
The car seams to be running well, but everything I have read indicates that this is a problem.
1. Any thoughts on what I should look at? (O2 sensors?)
2. Why isn't this tripping the CEL?
Thanks in advance.
{picture attached}
The car seams to be running well, but everything I have read indicates that this is a problem.
1. Any thoughts on what I should look at? (O2 sensors?)
2. Why isn't this tripping the CEL?
Thanks in advance.
{picture attached}
12-21-2011, 08:58 AM
#3
Team Owner
Exactly. ST can max before LT changes. Cold weather, single cylinder air leak, some mods (not cai) can change the FT.
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