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Code 44 - Lean O2 Sensor Failure

Fig 1: Flow Chart, Code 44 - Lean Oxygen (O2) Sensor Failure
G8518
NOTE: If M/C solenoid does not click with ignition ON and TEST terminal grounded, and there is no code 23 or 54, check for sticking M/C solenoid.
Fig 2: Flow Chart, Code 44 - Lean Oxygen (O2) Sensor Failure
GB0048244
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