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The 2002 Chevy Cavalier 02 sensor can be found attached to the air cleaner housing. The O2 sensor will be on the back side of the air cleaner housing.
Chevy did not use an Idle Air temperature sensor on that year.
no
The 2004 Chevrolet Cavalier idle air control valve can be found on the firewall in the engine compartment. The valve will be on the passenger side of the firewall.
It doesn't have a maf sensor.
They were not use on that year. It don't have one.
A bad idle air control sensor or a bad throttle position sensor.
Is this a 3.1 liter engine? tipicaly by the throttle body area. idle sensor or idle air controll valve?
The idle speed is read by the Engine Control Module(computer) and adjusted as necessary by use of the idle air control in conjunction with the throttle position sensor. There is no separate idle sensor as such.
The IAT ( idle air temperature ) sensor is built in to the MAF ( mass air flow ) sensor.
possibly a vacuum leak, low fuel pressure, or the idle air control has failed,
throttle positioning sensor, egr, idle air control