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2009 Mercedes Benz C300
New to the forum
Hello Everyone,
I have been a Benz Owner for about 8 months now and i love my car
. I have a 2009 C300 and yesterday my check engine light turned on, it came back with two codes...P2240 and P0171. Would anyone be able to assist me with this? I would like a second opinion. Thanks in advance!
I don't know where im supposed to be posting, sorry if i am in the wrong place.
I have been a Benz Owner for about 8 months now and i love my car
. I have a 2009 C300 and yesterday my check engine light turned on, it came back with two codes...P2240 and P0171. Would anyone be able to assist me with this? I would like a second opinion. Thanks in advance! I don't know where im supposed to be posting, sorry if i am in the wrong place.
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Joined: Mar 2014
Posts: 109
Likes: 1
2019 AMG E53 Coupe
P2240 - G3/3 (Left O2 sensor, before TWC [KAT]) : Voltage is too high.
P2240 - G3/3 (Left O2 sensor, before TWC [KAT]) : Open circuit
P2240 - G3/3 (Left O2 sensor, before TWC [KAT]) : Signal voltage is implausible.
P0171 - Self-adaptation of mixture formation for enrichment at partial load for the right cylinder bank is above the permissible limit.
P0171 - Self-adaptation of mixture formation for enrichment at idle for the right cylinder bank is above the permissible limit.
P0171 - Lambda control, before TWC right : Lambda control is at rich stop.
P2240 - G3/3 (Left O2 sensor, before TWC [KAT]) : Open circuit
P2240 - G3/3 (Left O2 sensor, before TWC [KAT]) : Signal voltage is implausible.
P0171 - Self-adaptation of mixture formation for enrichment at partial load for the right cylinder bank is above the permissible limit.
P0171 - Self-adaptation of mixture formation for enrichment at idle for the right cylinder bank is above the permissible limit.
P0171 - Lambda control, before TWC right : Lambda control is at rich stop.
