fault code peugeot 207 CC P2178 Default richness regulation Mixture too rich

[hafido1983]

hi guys
i need the help about this fault code peugeot 207 CC
engine 5FW
light of engine still on and gives this fault :: P2178: Default richness regulation: Mixture too rich
i need the help
thanks

[hafido1983]

no one resolved same problem

[ferbenja]

Greetings, I recommend to observe with details the current of data
to be able to see abnormalities, luck.

Ferbenja.

[ammarben]

Default richness regulation; sonde lambda problem

[hafido1983]

but the causes faults in autodata gives possibility:
pressure fuel, injectors,air intake limited

[hafido1983]

hi guys this fault code has relation Spark plugs or no...?