Make Model Spec 156. 1.6 TS /1.8 TS VELOCE156. 1.6I 16V TS. BASE156. 1.6I/1.8I 16V TS. TURISMO156. 1.8I 16V TWIN SPARK156. 1.9 JTD /1.9 JTD M-JET. VELOCE156. 1.9 JTD M-JET. TURISMO156. 1.9 JTD. BASE156. 1.9 JTD. TURISMO156. 17 OPT156. 2.0 JTS TWIN SPARK156. 2.0 JTS- SELESPEED. VELOCE156. 2.0 JTS-SELESPEED. LUSSO156. 2.0 JTS.156. 2.0 TWIN SPARK156. 2.0 TWIN SPARK 15 OPT156. 2.0 TWIN SPARK.156. 2.0 TWIN SPARK. 16 OPT156. 2.4 20V JTD. VELOCE-LUSSO156. 2.4 JTD156. 2.5 V6 24V 156. 2.5 V6 24V LUSSO156. 2.5 V6 24V SPORT156. 2.5 V6 24V. 6 SPEED156. 2.5 V6 24V. Q156. 2.5 V6 BASE.156. 3.0I Q.V. CLOVERLEAF156. AUTO DELTA What should my pressure be?