Researched the code to be air temp sensor,replaced that and reset computer and light is back on.Car runs rich.It is a 2000 Lincoln LS 6 cylinder.Could this possibly be the oxygen sensors?
If the only code you have is a P0113 then the answer to your question is no it can not be the oxygen sensor. P0113 indicates that the IAT sensor is reading at -46 deg F. With the computer thinking it is that cold it will need lots of fuel,cold air is more dense and com-pack so more molecules of oxygen and therefore needs more fuel to keep correct air/fuel ratio.
Do you have a way to measure voltage across the sensor?
You should have about 5V coming into the sensor and around 1.5 to 3.0V(depending on the temp) leaving it.
Trouble Code: P0113
IAT Sensor Circuit High Input
Possible Causes:
IAT Sensor signal circuit shorted to VREF (5v)
IAT Sensor signal circuit is open, or the ground circuit is open
Trouble Code: P0123
TP Sensor/APPS Circuit High Input
Possible Causes:
Related TP Sensor engine DTCs present
Intermittent wiring or connector problem
TP signal circuit is open or is shorted to battery voltage or to 5v supply circuit
TP sensor has failed
TP sensor ground circuit is open
PCM has failed IAT Sensor is damaged or it has failed (an internal open circuit)
PCM has failed
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what are the codes you are getting?
Brake pressure sensor circuit malfunction on 01 Lincoln LS. Where to look? Code C1289. I'm stuck.
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