ArmyofOne Posted September 29, 2017 Share Posted September 29, 2017 Video of problem I have a CEL and the car is bucking wildly at higher RPMs...the code present in the ECM is P0171 system too lean bank 1. Thoughts? Quote Link to comment Share on other sites More sharing options...
OU1 Posted January 17, 2018 Share Posted January 17, 2018 Do some research on your EGR Control solenoid it may be receiving to much O2 because it's not functioning properly. Is there any other previous work you've done? Quote Link to comment Share on other sites More sharing options...
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