Question about 1999 Dodge Intrepid

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Sometimes the heat blows hot than blows cold

Fan never shuts down it acts like temp control shut off an on but the vehicle doesnt have temp control 99 dodge intripid,blows hot than blows cold??? wondering if it might be vaccumm leak threw a diaphram ???ch,d line coming from booster all ok ones i could see

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Try pulling trouble codes first. Run your car at idle with the blower control set at anything but off, the temperature in full cool and the right knob in defrost mode. Push the rear window defogger button until the instrument panel reads AC00. The BCM will chime and the A/C button will blink. Release the defogger button and wait until the A/C button stops blinking. The trouble codes will show up on the odometer. There isn't a vacuum hookup that I know about as these are electrical. Anyway, write down the codes and call a dealer or buy a service manual to interpret them.

Posted on Dec 26, 2008

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http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

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