Quote:
Originally Posted by DAVECAD2.0
2006 C230 Sport sedan.Showing codes: (From generic code reader)
P2180 System Too Lean Off Idle (Bank 2)
P2188 System Too Lean at Idle (Bank 1)
P2190 System Too Rich at Idle (Bank 2)
All useful information but what do I check for as the cause?
TIA Dave.forumlinks {text-align: left;}
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How many miles on the car? What precipitated the errors? Was something replaced recently?
O2 sensors failing can trip lean/rich errors like this...but so can fuel pressure regulators.
Need more info...