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LTFT aren't moving on atap

Old 08-03-2003, 09:25 PM
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Default LTFT aren't moving on atap

Working on tuning my car and now my LTFT won't move. They just stay at 0. Before they would bounce up and down some as I drove. Any ideas? I tried disconnecting the battery but still the same thing.
Old 08-03-2003, 10:32 PM
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Default Re: LTFT aren't moving on atap

Does your Fuel Trim Cell change to 22 if you just press the gas a little? Your computer may be in a kind of safe mode for some reason. Thats the only time mine (LTFT and STFT) stayed at 0. Just a thought. You gettin' any codes?
Old 08-04-2003, 09:10 PM
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Default Re: LTFT aren't moving on atap

There are two O2 sensor codes. Bank 1 heater circuit and bank 2 switching inactivity I think the codes are. Are the sensors shot?
Old 08-04-2003, 10:20 PM
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Default Re: LTFT aren't moving on atap

It sure sounds like it. If you're gettin inactivity then yes, if you haven't unplugged the sensor recently for some reason I would say its shot. Probably the other one too.


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