Make Model Spec 164. 2.0I 16V TURBO164. 2.0I TWIN SPARK164. 2.5 TD164. 2.5 TD SUPER164. 3.0 V6 Q4164. 3.0I V6164. 3.0I V6 24V164. 3.0I V6 SUPER164. 3.0I V6 SUPER LUSSO & CLOVERLEAF What should my pressure be?