Make Model Spec 4008 2.0I 2WD, 4WD4008 2.0I 2WD, 4WD 18 OPT4008. 1.6.HDI 1154008. 1.6.HDI 115 18 OPT4008. 1.8 HDI 1504008. 1.8 HDI 150 18 OPT What should my pressure be?