Engines puke oil into the air intake which elimina...

Engines puke oil into the air intake which eliminates purpose of buying them for being clean and CARB certified, trucks are constantly out of service because gaskets don't seal properly and coolant gets in the oil sump, company rushes every step of the way and blames low level workers for their shortcomings.

Overall poor quality products and management corrupt to the core. If you think otherwise consider how their stock was delisted from the NASDAQ in 2017 because they lied to investors and SEC about their losses. Lying and failure to deliver as promised is standard operating procedure for PSI