What MAP sensor part number do you have installed?
You can check your the MAP sensor reading with key on engine off, it should read your current barometric pressure. If not you need to verify the wiring and if that is ok then the settings in your ECM for MAP sensor may not be correct.
12711681.Originally Posted by cadillactech
Key on, engine off, MAP and BARO both read 98 kPa.
Am I going to need a more advanced scan tool to figure out which of the MAP performance tests are failing that are triggering the code?
I've also noticed some hesitation / slight stalling after cold starts at low speeds in gear, especially reverse. Related issue?
Still working on this issue, any help is appreciated.
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