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Home >> GMC >> 1988 >> Forward Control 4.8 T, Automatic, 475/M40 >> Repair and Diagnosis >> Engine Performance >> System >> CCC TBI Tests W/Codes >> Diagnostic Charts >> Code 44 - Lean Exhaust Indication >> Sensor Harness

Sensor Harness

Sensor pigtail may be mispositioned and contacting exhaust manifold.

Fig 1: Code 44, Lean Exhaust Indication Flow Chart & Schematic
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Fig 2: Code 44, Lean Exhaust Indication
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