Fault Codes/Discovery Energy, LLC (Rehlko)/P2192Discovery Energy, LLC (Rehlko)P2192ErrorGeneralWhat This Code MeansSystem Too Rich at Higher LoadPossible Causes•Problem with the closed-loop feedback controlSuggested Actions1Check for misfires2Check fuel quality3Check fuel pressure regulator and outlet pressure4Check for exhaust leaks5Check for intake manifold leaks6Troubleshoot the HEGO sensor for bad leads. Refer to the Heated Exhaust Gas Oxygen (HEGO) Sensor Troubleshooting section7Replace the HEGO sensor. Refer to the Heated Exhaust Gas Oxygen Sensor (HEGO) sectionRelated Discovery Energy, LLC (Rehlko) Fault CodesP2243P2305P2191P2306P2188P2307P2187P2308P2178P2309P2177P2310Browse all Discovery Energy, LLC (Rehlko) fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for P2192 on your specific Discovery Energy, LLC (Rehlko) unit — cited to the OEM manual, not a forum guess.Your question about P2192GET THE ANSWERFree account required — we'll bring your question with you.