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GMC Truck
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2009
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Envoy 2WD L6-4.2L
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Repair and Diagnosis
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Powertrain Management
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Fuel Delivery and Air Induction
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Service Precautions
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Technician Safety Information
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Fuel Pressure Caution
Fuel Pressure Caution
Fuel Pressure
Caution
Caution:
Do not allow the
fuel pressure
to exceed the specified value because damage to the fuel pressure regulator or the fuel pressure gage may result.