Low rough idle black sparkplugs runing rich Megane 2 2003 1.6 16v

Hello
I have a Renault Megane 2003 1.6 16v vvt
It smels like petrol
The sparkplugs are black in a few km
I.ve changed them twice
Map sensor is ok
Its starting ok
Its accelerate ok
But on idle it drops revs
All the car is shaking
All the sparkplugs are black

On an obd i see No error code

At idle the ,,stft b1 it is 99.2
It drops to 0 when i am in gear and take the foot from the pedal

I see no vacuum leak
I.ve changed all the ,,rubber seals,, from the admision .

Can you help me ?

The map value is (too) high for idle condition, should be around ~ 30 kPa, give or take.

The O2 B1S1 data is conflictive, the sensor reads lean yet the fuel trim is negative??
Or is it just that that your Scantool always shows percentage with a hyphen?

Can you graph the 02 to make sure it's shifting or not. Your picture shows just an instant snapshot, it'll be helpful to see the trend instead.

I took it for a drive
Pedal to the floor like.
Sometimes it idles ok when i stop to check it

I don.t like the graph on the o2s1 b1
It.s like intermitent


It cood be the o2 sensor. Lambda , before the catalyst ?

I can only add photos