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Hi.

I got a big problem that not even the local Alfa Romeo garage can help me with. The car revs up to 2500rpm and down to 1000 continuously after it has gotten warm standing still. The rpm is normal after I start the car cold. It maybe revs up 250 rpm like someone is hitting the choke right after start, but i quess that is normal.
As i said when the car gets warm, it starts reving itself.

I have tried to clean the "air divider" after the air flow measurer on the intakehose. Could not find any problems there..

Anybody got any heads up for this? Im kinda getting desperate here..:)

And excuse my english, im norwegian:)

Morten
 
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I know of a '00 selespeed that had that issue on it too. After alot of testing, resetting etc it turned out the Engine ECU needed replacing.

Thing is if you are buying a 2nd hand ecu you'll need the immobiliser code box, & key [ transponder chip ] too.

If you need a set drop me a PM.
 
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on the 'oo S/speed all engine sensors were changed before coming to the conclusion that the ECU must be the issue. A manual Engine ECU 'set' was fitted & the idle was perfect, fitting back the S/speed ecu 'set' the issue returned. Trust me 2 days of time was spent chasing this issue, not to mention half a tank of petrol :cheese:
 
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