This sounds like there could possibly be a vacuum leak somewhere. My other guess is that the new idle air control valve may also be malfunctioning. If you switched out some parts lately, getting new car parts that are bad...
Hello. We will be happy to assist you with your 1996 Lincoln Mark VIII. I suggest to have the vehicles computer scanned and trouble codes retrieved by a technician. Being that the Check Engine Light comes on when the problem...
These sensors are available, but not on every street corner. You can search on the Internet, or you might consider joining the Lincoln Mark VII owners club. There are numerous references on their forums that address this issue. A professional...
