Discovery Energy, LLC (Rehlko)

P2191

ErrorGeneral

What This Code Means

System too Lean at Higher Load

Possible Causes

  • •Problem with the closed-loop feedback control

Suggested Actions

  1. 1Check for misfires
  2. 2Check fuel quality
  3. 3Check fuel pressure regulator and outlet pressure
  4. 4Check for exhaust leaks
  5. 5Check for intake manifold leaks
  6. 6Troubleshoot the HEGO sensor for bad leads
  7. 7Replace the HEGO sensor

Related Discovery Energy, LLC (Rehlko) Fault Codes

P2192P2243P2188P2305P2187P2306P2178P2307P2177P2308P2135P2309
Browse all Discovery Energy, LLC (Rehlko) fault codes

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