Posted on August 11, 2016 May 29, 2018How do I change the MAP sensor for BOOST? You don’t need to! The ECU is equipped with an onboard 2.5 bar MAP sensor good to 25 psi. Post navigationPrevious post: Does your system have the same type of cold start/ warm up qualities of new cars? i.e. start, stay running, higher idle , then come down to idle rpm in cold weather that we expect?Next post: Is there an advantage to putting the O2 sensor behind the X pipe to get a blended reading of both headers? 2 comments on “How do I change the MAP sensor for BOOST?” dave thompson November 11, 2016 hii bought a 30002 but now i want to use my wiand 177 supercharger will it work or can i update map sensor Bryce - FiTech Tech Pro November 11, 2016 The 30002 is not designed to run boost and the MAP sensor in not replaceable. You will have to purchase a Power Adder such as the 30004 to run a boosted application.