Set Condition

WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.

The PCM detects a gradual long term increase in the difference between the actual Map Pressure sense and calculated Map Sensor value, beyond the calibrated adaptive limit, due to a loss of vacuum.