Date: Wed, 9 Aug 2006 20:46:57 +0100
From: "DervMan" <thedervmannospaml.com>
Subject: Re: Okay now I *know* this isn't me...


"Pete Smith" <pete_newsnospame.org.uk> wrote in message news:MPG.1f442a771804dc5798992fnospamet.plus.net... In article <44da1729$0$30329$fa0fcedbnospam.zen.co.uk>, thedervmannospaml.com says... > I've only had my 2000 Saab 9-3 2.2 TiD since early June, so I'm still > getting used to it. This is the first TiD engine used in the 9-3, the 2.2 > 115 bhp one. I'm using it in conjunction with one of these fuel pump > modification units (and it makes a huge difference to acceleration). > > I've driven and owned all sorts of turbodiesels and in all they've > performed > better in cool, foggy conditions and not so good when it's warm. Okay > until > the last week the temperature has been pretty much over 28C and it's been > especially humid. Now it's cooler and the car feels much, much better... > > With this 9-3 the difference between cooler air and warmer is *immense*. > If > it were a petrol, it feels like it's under-intercooled and the ECU is > limiting boost to prevent engine knocking. > > Is this a known first generation 9-3 TiD issue? Is the intercooler just > too > small? Could there be a loose pipe instead? In that last really hot weather (35 degrees), my TDCi was definitely sluggish. The symptoms point (IMO) to a fault in the firmware, because others were reporting the same problem. Basically, as soon as you hit 3k in 3rd or 4th (I wouln't know about 5th ;-), the power would drop right off until 3.25k, and then take off again, but quite sluggish. Now the weather's cool, it's back to normal. *-*-*-* Ding, just about - except I so rarely exceed 3,000 rpm I can't confirm otherwise... -- The DervMan www.dervman.com

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