as is an exhaust gas recirculation system. The Y17DT reaches at 4400 rpm, with a torque of between 1800 and 3000 rpm. This engine was fitted in: Opel Corsa C 1.7 DTI 16V 75 HP (2000-03); Opel Combo C 1.7 DTI 16V (2002-04); Opel Astra G 1.7 DTI 16V (1999-2003); Opel Meriva 1.7 16V DTI (2003-05); Y17DTL The engine Y17DTL is a reduced power variant of the Y17DT, to which it differs in the absence of an intercooler. Maximum power is reduced to at 4400 rpm, and maximum torque to between 2000 and 3000 rpm. This engine, also Euro 3, was fitted in: Opel Corsa C 1.7 16V 65 HP (2000-03); Opel Combo C 1.7 DI 16V (2002-04); Z17DTL The engine Z17DTL was one of the first common rail turbo-diesel engines used by Opel. With a turbocharger and a compression ratio of 18.4:1, it can reach the maximum power of at 4400 rpm, with a maximum torque of at 1800 rpm. It was fitted in: Opel Astra G 1.7 16V CDTI (2003-04) Opel Astra H 1.7 CDTI (2004- 05) Z17DT The engine Z17DT was one of the first common rail turbo diesel engines used by Opel. With a variable-geometry turbocharger and a compression ratio of 18.4:1, can reach the maximum power of at 4400 rpm, with a maximum torque of at 2300 rpm. It was fitted in: Opel Corsa C 1.7 16V CDTI 101CV (2003-06); Opel Meriva A 1.7 CDTi 16v 101CV (2003-05); This engine meets the Euro 4 directive. Z17DTH and A17DT This motor is similar to the one signed Z17DT it replaces, and features a number of minor improvements. The power is unchanged at at 4400 rpm, but the torque increases to at 2300 rpm. It was fitted in Opel Meriva A 1.7 CDTI A (2005-10), Opel Astra H 1.7 CDTI (2004-08), Opel Combo C 1.7 CDTI (2004-2010). Opel Corsa C 1.7 CDTI (2003-06) With the exception of the Opel Astra 1.7 CDTI 16V, this car had a Bosch engine management system, and the other four models are equipped with a Denso control unit. In more modern versions, introduced in 2010, this engine delivers of maximum power at 4000 rpm, while maximum torque is always , but delivered between 1,700 and 2,550 rpm. In this configuration, this engine has been fitted to: Opel Meriva B 1.7 CDTI (2010-13) Z17DTR and A17DTR These are more powerful variants (but not