After determining ours was faulty, we ordered a new MAP sensor and had it installed in minutes. The Jeep immediately regained its drivability and no longer surged, bucked, or idled harshly.

Rather than plotting its tune in open loop, a speed-density ECU takes in its sensor signals and selects a pre-programmed map. For instance, at WOT it employs Map 53, then it sees some changes and ...

The safety recall for Triumph Tiger Sport 660 and Trident 660 models involves replacing the MAP hose, which can cause issues with the MAP sensor and lead to engine problems.