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Code 44, Lean Exhaust Indicated: Notes

Fig 1: Code 44 Schematic, Lean Exhaust Indicated
G110646
NOTE: Test numbers refer to test numbers on diagnostic chart.
  1. The following conditions must be met to set a Code 44 when signal voltage is present on circuit No. 412:
    • Value remains below .3 volt for 50 seconds or more.
    • System is operating in "closed loop".
    • No Code 33 or 34.
    • "Closed loop" integrator active.
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