Date: Tue, 14 Jun 2005 19:13:53 -0400 From: Malt_Hound <Malt_Houndnospamm*yahoo.com> Subject: Re: Misfire on 9000 Aero
Hywel wrote: > just using regular unleaded to be honest - never thought of using super, but > I'll try it. > > > "Piers" <pierskenneynospamscali.co.uk> wrote in message > news:3h0mjkFep2hjU1nospamvidual.net... > >>Hywel wrote: >> >>>I've recently bought a '93 9000 Aero with 115,000mls on the clock. It >>>runs very well normally - the only problem is that it occasionally has an >>>annoying misfire under heavy acceleration. The car literally seems to >>>miss a beat, then carries on and revs out to the redline. I've noticed >>>this in both 2nd and 3rd gears. I'm wondering if I've an ignition >>>problem somewhere (HT lead breaking down?) or maybe one a vacumn hose has >>>perished and is leaking. Any ideas?? >>> >>>Thanks, >>>Andrew >> >>Are you using super unleaded petrol (97 or 98 RON in the UK)? I seem to >>remember that the Aero engine requires this. >> >>Just a thought. > > > Won't cause a misfire anyway. Just a reduced power output as the turbo apc backs off on the boost level due to pin(g/k)ing. INstead, try swapping in anew set of NGK (nothing else, mind you) spark plugs. -Fred W