October 27, 2009What is this? What function does it perform? Hard to remove and replace with new one? Any details would be great. Got one priced for 48.00
October 27, 2009Manifold Absolute Pressure sensor is located in your intake after teh air filter and before the intake manifold. It monitors the intake air. The puter uses that information to adjust your gas/air mix ratio. Be extremely carefull what you buy. This is one of those critical sensors and will play havic on your pocket book if its not performing properly.
Tech article on the subject.
October 27, 2009I believe you can buy a cleaner for it but you have to be super careful with it cause like said before it will be a pain in the a s s if not working correctly
January 10, 20111990 Chev K1500, 350 engine. Engine started to idle rough. Problem seems to be in MAP sensor area. Unplugging MAP sensor evens out idle. Replaced MAP Sensor, problem still there. Any thoughts appreciated.
January 11, 2011Are you getting check engine light? The MAF also can cause rough running and idle as well as the O2 sensors. The check engine light light will help identify the problem if it is on.
January 11, 2011the tbi trucks don`t have MAF sensors
you may want to look at cleaning the tbi unit with some seafoam or b19 to get the gummy deposites out of it