C220....idles high when in park with heater on. If I turn off the heater the idle comes down from about 1500 rpms to 1000 rpms. Normally is idled at about 700 rpms. How to solve...JJ Knight NJ
C220....idles high when in park with heater on. If I turn off the heater the idle comes down from about 1500 rpms to 1000 rpms. Normally is idled at about 700 rpms. How to solve...JJ Knight NJ