Date: Wed, 18 Oct 2006 19:59:18 -0400 From: "Steve E." <Gentoo33nospamast.net> Subject: Re: '93 9000 Aero misfire...
"Charles" <cstoyernospamrpex.com> wrote in message news:psudnZAJkPm_JKvYnZ2dnUVZ_qmdnZ2dnospamertel.com... > 93 9000's do not have a distributor. They have a DI cassette. No spark > plug wires either. > > Charles > > Paul Halliday wrote: > >> in article zoedndppDrYKJLPYRVnyvwnospamom, Hywel at >> h.merrettnospamenworld.com >> wrote on 12/10/2006 22:54: >> >> > I have a'93 9000 Aero with about 130,000 miles on the clock. If I >> > accelerate hard the car seems to misfire violently at about 3500 - >> > 4000rpm. >> > This just happens for an instant and then it carries on accelerating >> > hard as >> > it should. >> > I say 'misfire' because that's all I can think it is (maybe something >> > else), >> > but otherwise the car drives perfectly at all other times. >> > Any ideas anyone? >> >> Does your '93 have a distributor with a vacuum advance? It sounds like >> the >> timing is getting messed up at the point it needs to be advancing. Just >> guessing ... >> >> Paul >> >> Vart tog vägen vägen? >> SAAB : Nothing on earth comes close >> > Could this be a turbo overpressurization with dumping thru the waste gate??