Date: Sat, 7 Jun 2003 00:28:48 +0100 From: "Richard Chew" <richnopsamamdieseldo.demon.co.uk> Subject: Re: Engine Light on challenge
If there are no faults being stored, its possible there is a fault on the lamp circuit itself, rather than an ECU problem. Also, didn't the 9000T's have MAP sensors, rather than Air mass meters? Or was that the later, 94+ cars? Just a thought, Rich "David Taylor" <djtaylornopsamoot.com> wrote in message news:MPG.194a5c1aa5863acb989904nopsam.cis.dfn.de... > Ok, here's the story... > > Saab 9000 2.0T 1992 went in for a service at a local guy, not dealer. > > Straight away, when my wife picked it up, she noticed that the "Check > engine" light was on - it was fine pre-service. > > Now, bearing in mind that this is the same vehicle that had the head off > two weeks prior and is going back in again next week for the same again > (suspected crack not checked for when the head was replaced.) :( > > However, the light wasn't on when I drove it immediately having had the > gasket changed, only comes on since the service. > > Yesterday I took it to a main dealer for diagnosis yet there are no > stored faults. They couldn't pin it down, plugs are suspected ok. They > wonder about an air mass meter or ECU. > > A bit more detail, when idling, no light, touch the throttle, it comes > on, floor it light goes off. On overrun, the light flickers and for the > past two days, for the first mile after a cold start isn't on in any > condition but then behaves as above. > > Answers on a postcard please and I'll notify the winner when it is > finally resolved :) > > 3 weeks ago, I had a great car! :( > > David.