try replaceing the switch that controls the low to high for heater It's gonna be the blower motor resistor (near the blower motor).
2004 chevy cavalier is idling to high
TRY CHECKING TO SEE IF YOU HAVE A HIGH BEAM HEADLIGHT OUT. tHIS WILL CAUSE THE PROBLEM YOU HAVE.
Why does your 2001 Nissan Pathfinder heater fan stay on high even after I try to shut it off?"
Hi my 2005 chevy cavalier is idleing just a little bit high for example (80km) the RPMS a are (2200) how can i adjust it myself?
It begins at the compressor outlet and ends at the inlet of the Fixed Orifice Tube.
Blower motor resistor defective
Any high quality green type coolant would be acceptable for Chevrolet Cavalier. It should be mixed 50 percent with distilled water.
2004 Chevy express van, heater has no high speed, at one time the blower stayed on even when the ignoton was turned off therefor draining the battery,
It is the resistor, replace it.
Check for vacuum leak or faulty EGR valve.
Trouble code P0113 means: IAT Sensor Circuit High Input
Its located in the center of the dash behind the dash panel mounted on the a/c heater housing and if you remove the glove box and look to the left you will be able to see it.......