Fault Codes/Discovery Energy, LLC (Rehlko)/P2195Discovery Energy, LLC (Rehlko)P2195ErrorSensorsWhat This Code MeansHEGO sensor Signal Stuck Lean B1S1Possible Causes•Problem with the closed-loop feedback controlSuggested Actions1Check for misfires2Check fuel quality3Check fuel pressure regulator and outlet pressure4Check for exhaust leaks5Troubleshoot the HEGO sensor for bad leads. Refer to the Heated Exhaust Gas Oxygen (HEGO) Sensor Troubleshooting section6Replace the HEGO sensor. Refer to the Heated Exhaust Gas Oxygen Sensor (HEGO) sectionRelated Discovery Energy, LLC (Rehlko) Fault CodesP2196P2231P1138 3217 31P2270P1136P2271P1135P2297P0134P0133P26 - 48P26 - 47Browse all Discovery Energy, LLC (Rehlko) fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for P2195 on your specific Discovery Energy, LLC (Rehlko) unit — cited to the OEM manual, not a forum guess.Your question about P2195GET THE ANSWERFree account required — we'll bring your question with you.