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Skoda octavia estate mk1 2.0l petrol smoking
- Mihail Potirniche
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8 months 1 week ago - 8 months 1 week ago #78377
by Mihail Potirniche
Skoda octavia estate mk1 2.0l petrol smoking was created by Mihail Potirniche
Hi everyone
I have some issues with my Skoda octavia mk1 petrol 2.0l engine code azj I wonder if you could help !
It starts fine but its giving black smoke and smells of unburned petrol, long term trim is about 5% and under hard acceleration short term trim goes to about +10%, when cruising it's at about +-2%.
Under hard acceleration the whideband sensor swings down to -0.4ma and on decel up to +2.5ma. I will attach a photo.
I saw in some vids that under hard acceleration a healthy whideband o2 goes to -2ma amd on decel + no throttle it goes to +2ma.
Does this indicate that I have a bad o2 sensor?
Many thanks !
(I've just checked fuel pressure and it is as per manual)
I have some issues with my Skoda octavia mk1 petrol 2.0l engine code azj I wonder if you could help !
It starts fine but its giving black smoke and smells of unburned petrol, long term trim is about 5% and under hard acceleration short term trim goes to about +10%, when cruising it's at about +-2%.
Under hard acceleration the whideband sensor swings down to -0.4ma and on decel up to +2.5ma. I will attach a photo.
I saw in some vids that under hard acceleration a healthy whideband o2 goes to -2ma amd on decel + no throttle it goes to +2ma.
Does this indicate that I have a bad o2 sensor?
Many thanks !
(I've just checked fuel pressure and it is as per manual)
Last edit: 8 months 1 week ago by Mihail Potirniche. Reason: Test update
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