In this step-by-step guide, you will find instructions on how to change the Mass Air Flow (MAF) sensor on Cadillac vehicles. Changing the mass air flow sensor on a Cadillac is very easy and takes less than 30 minutes. Typical cost to change Cadillac mass air flow sensor at the dealer or mechanic cost between $250-$500. Changing Cadillac MAF sensor yourself typically costs under $100 when purchasing the MAF sensor online, see the link below. MAF sensor is located near the air filter housing as shown in the following pictures and is quite easy to change.
Cadillac is hard to start or has trouble turning over
Engine stalls soon after starting.
The engine runs unusually lean or rich idling.
Cadillac engine drags or hesitates when idle or under load.