Make Model Spec COMBO D. (L1) 1.3 CDTI, 1.4 ECO. 1.6CDTICOMBO D. (L1) 1.4 16V, INCLUDES CNGCOMBO D. (L1) 15 OPT.COMBO D. (L2) 16 BASE, L1 16 OPT.COMBO D. 1.3 CDTI, 1.6CDTI. SPORTIVE L1COMBO D. 2.0 CDTI SPORTIVE L2 What should my pressure be?