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GMC Truck
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1996
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G 2500 3/4 Ton Van V6-4.3L VIN W
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System Check - Restricted Exhaust
System Check - Restricted Exhaust
Diagnostic Chart:
Exhaust System:
Legend
(1) Back Pressure Gauge
(2) Heated Oxygen Sensor (HO2S)
(3) Exhaust Pipe
