Conditions for Running the DTC

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.

P0191

The engine is running for greater than 1 min.
The commanded fuel pressure rate of change, increase or decrease, is less than 0.70 MPa (102 PSI) for greater than or equal to 1.25 s.
The DTC runs continuously within the enabling conditions.

P0192

The engine is cranking or running.
The DTC runs continuously within the enabling condition.