Misfire/Hesitation at low throttle - Page 2 - Alfa Romeo Forum
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Originally Posted by DangerousDave74 View Post
are you sure it only has 2
i heard a rumour that my cup has 4.
The cup will probably have 4 since they use the ecu on the plenum.
But only the 2 on the manifold’s are used for fueling the other two are watchdogs.
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Bit of an update on this.

Ended up plugging the vehicle into a Snap-on Solus Pro ecu scanner (fantastic product by the way!) and my ECU had a logged code of O2 sensor.

After looking at the O2 sensor readings, it is not a constant pulse (as I have been advised it should be), the readings are a bit all over the place!

I have ordered a new O2 sensor along with some other bits from EB spares.

As a temporary fix (if it is a temporary fix!), if I unplug it and drive it for a week or 2 until the new sensor arrives, will this do any damage? And will it run normal ?
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similar problems on my 1.8 spyder,tickover has gone.....once you hit neutral it gives a couple of little revs then dies.........aaahhhh
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low , misfire or hesitation , throttle

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