Fault Codes/Discovery Energy, LLC (Rehlko)/P1136Discovery Energy, LLC (Rehlko)P1136ErrorSensorsWhat This Code MeansOxygen Sensor 1 Bank 1 Rich ShiftPossible Causes•Problem with poor HEGO sensor performanceSuggested Actions1Troubleshoot the HEGO sensor for bad leads. Refer to the Heated Exhaust Gas Oxygen (HEGO) Sensor Troubleshooting section2Replace the HEGO sensor. Refer to the Heated Exhaust Gas Oxygen Sensor (HEGO) sectionRelated Discovery Energy, LLC (Rehlko) Fault CodesP1138 3217 31P2195P1135P2196P0134P2231P0133P2270P26 - 48P2271P26 - 47P2297Browse all Discovery Energy, LLC (Rehlko) fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for P1136 on your specific Discovery Energy, LLC (Rehlko) unit — cited to the OEM manual, not a forum guess.Your question about P1136GET THE ANSWERFree account required — we'll bring your question with you.