my astra mk4 R-reg 1997 1.6 16v ecotec multec engine is perthetic at the moment, the power lose it has is quite unbelievable for a 1.6 16v it gets to 4000 r.p.m and loses all power its gutless i recently moved up from a 1.4ls astra J-reg which is quicker. i have looked hard at the air induction and all air intake which does not have any obvious problems i also connected a paper clip to slot 5-6 of the 16 bit socket in the fuse box for the fault code finding but everything says it is ok. does any one have any idea on what problem this could be or if anyone has the same problem please email..?