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Dear Fellow SAAB owners.

I have a very odd problem with my 2 litre Automatic 9-3 Aero Sportwagen MY 2007 76K miles.

Normally, cold or hot, the car starts first pop but sometimes when the engine is hot, it is a bit reluctant to start after, for example, re-fuelling.  Sometimes the take up on accellerating away from stop has a lag or is a bit jerky.

The throttle needs to be tickled and after the second try it starts but runs a bit lumpy. After giving a rev all is OK again. 

BPV in Slough could not see the problem on the TEC analysis machine so they changed the crankshaft sensor but this did not make any difference.  Spark plugs are new and generally, the engine runs very well.

Obviously (hopefully) not a big problem but does anybody out there have any idea which of the sensors could be faulty.

I thought it may be one of the following:

- faulty throttle "rheostat" which may have a bad connection for the start of its travel
- fuel evaporating from the injector feeds - possible petrol return valve weak
- a faulty sensor somewhere in the system

Any suggestions or ideas to fix this would be vry welcome.

[The Co2 emission is 235 gm/km.]

Thought I would start a new thread on the forum to help make it come alive!

I have a MY 2007 Aero Estate with the Automatic gearbox.  The Co2 emission is 235 gm/km.

This falls into band L which is between 226 to 255 - a whopping £ 445 per year.

This is even more of a rip off as the next lower band is K which is between 201 and 225 costing £ 260 per year.   I am, therefore, only 10 grams above the limit for band L and for this I have to pay an extra £ 185 per year!!

The new Aero Automatics have a rating of 190 gm/km which would fall into band J at a much more reasonable £ 245 per year.

I have sent an e-mail to SAAB asking them if they could re-programme my ECU to lower the emissions and had a not very satisfactory reply saying they won't do it.  The reply is shown below:

Thank you for contacting Saab Great Britain regarding Saab vehicle.
Unfortunately we can not retrospectively reduce the emissions on a vehicle.

Does this mean can't or won't.  This seems strange as all they have to do is load up the latest ECU S/W.

As my Car get's older this TAX band will make it more and more difficult to sell.

Has anybody out there had any thoughts on the subject and has anybody any ideas how I could proceed to lower the TAX band.  I have a strong suspicion that it will not be easy from the admin side !!

Thanks in advance

Ian