Make Model Spec THEMA. 2.0 IE TURBO ESTATETHEMA. 2.0 IE, IE LXTHEMA. 2.0IE 16V SETHEMA. 2.0IE 16V SE OPT, 2500 DSTHEMA. 2.8 V6THEMA. 20 OPT.THEMA. 3.0 V6 DIESELTHEMA. 3.6 V6 PETROL.THEMA. 8.32 What should my pressure be?