HEAT PAST 230 DEGREES AND BLOW OUT COLD AIR WHEN HEAT IS ON?
2005 Pontiac Grand Am
March, 13, 2012 AT 8:51 PM
Why does the temp on my Pontiac grand am heat past 230 degrees and blow out cold air when heat is on, only to drop the temp back down to normal and blow out hot air after it goes past 230. This just started.