Make Model Spec 190. 1.8, 2.0I190. 2.0D190. 2.1, 2.3D, 2.5D, 2.5TD190. 2.1, 2.3D. 15 OPT.190. 2.3 16V, 2.6 16V190. 2.3TD190. 2.5 16V. I4 What should my pressure be?