Make Model Spec ASTRA H. 1.6 16V TURBO.ASTRA H. 1.7 CDTI,ASTRA H. 1.8 16V, 1.9 CDTI. 16 OPTASTRA H. 1.8 16V, 1.9 CDTI. 16 OPT IIASTRA H. 1.8 16V, 2.0T, 1.9 CDTI, SPORT, COSMO MODELS 17 OPTASTRA H. 1.8 16V, 2.0T, 1.9 CDTI, SPORT, COSMO MODELS 18 OPT What should my pressure be?
