Make Model Spec CEFIRO, MAXIMA, 2.5 V6 24VCEFIRO, MAXIMA. 2.0 V6CEFIRO, MAXIMA. 3.0 V6 24VMAXIMA. 3.0 EXECUTIVE, 3.0 TIMAXIMA. 3.0 LEMAXIMA. 3.0 MMAXIMA. 3.0 TIMAXIMA. 300 EXECUTIVE What should my pressure be?