What is a MAP sensor and how can you tell if it's bad?

The MAP sensor is an important part of a car's operating system. But lots of things can make it go bad. Here's how you'll ...
Hot Rod

MAPtest: When Boost Pressure and Brainpower Don’t See Eye to Eye. Why Your Supercharged Street Car Needs the Right MAP Sensor

Imagine this scenario: Your supercharged project car is finally completed. Fresh engine, badass centrifugal blower, speed-density ECM tune, plenty of fuel, yadda-yadda-yadda. With a deck this stacked, ...