1998 Nissan Altima



April, 23, 2009 AT 7:45 PM

Computer problem
1998 Nissan Altima 4 cyl Front Wheel Drive Automatic 145000 miles

put car on problem read out message is intake air temperature sensor circuit malfunction. Replaced air temperature sensor just before the air filter. After changing the sensor, this did not fix the problem, question is was this the right sensor to change or if is the right one how do I get the computer to know the sensor was replaced? Thanks, Dan


1 Answer



April, 23, 2009 AT 8:25 PM

Both the MAF (Mass Air Flow) sensor as well as the IAT (intake air temperature) sensor are located in the air intake. The MAF sensor is closer to the engine and the IAT sensor is closer to the driver side fender. A diagram is below to help you determine if you replaced the correct one. If you did replace correctly then use the same scan tool to reset the trouble code, or disconnect battery and reconnect 10 - 15 minutes later.


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