as above i cheked the fuel pressure today its about 50 psi on idle, also changed the injector seals, now as the car is coming on boost well its fine up to about 15 psi then when it gets to about 20psi it starts missing really bad, recently car has had new ect sensor cap rotor plugs re gapped iq37's got a set of ht leads on the way, car drove fine this morning, little bit missy on idle now and again, just a normal cossy untill this started was thinking map sensor is faulty