LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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Pontiac
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1984
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T1000 L4-98 1.6L
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Repair and Diagnosis
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Powertrain Management
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Relays and Modules - Powertrain Management
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Relays and Modules - Computers and Control Systems
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Engine Control Module
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Description and Operation
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Modes of Operation
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Altitude Compensation
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Altitude Compensation
On "Minimum Function Systems" grounding ECM terminal 18 compensates for high altitude operation.