Set Condition

WARNING: This page is about a different car, the 2024 Jeep Grand Wagoneer L and 2024 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module detects that the change (delta) in fuel tank pressure is less than a calibrated threshold when the Purge Solenoid is ramped up and the engine is operating in boost.