Brad's Car Manuals
: A 3rd party mirror of CHARM + LEMON car manuals
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GMC
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1989
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Forward Control 6.2 J, Standard
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Repair and Diagnosis
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Engine Performance
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Fuel Injection System - Diesel
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Testing & Diagnosis
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Notes
Testing & Diagnosis: Notes
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NOTE:
The 6.2L light duty emissions engine (LH6) uses the Diesel Electronic Control (DEC) system. For complete system testing and diagnosis of DEC system, see COMPUTERIZED ENGINE CONTROL section.