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Pontiac
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2001
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Sunfire L4-144 2.4L DOHC VIN T SFI
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Initial Inspection and Diagnostic Overview
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- Standard Model (Non-Alternative Fuels)
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Scan Tool Diagnostics
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Scan Tool Data Definitions
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Engine Speed
Engine Speed
RANGE 0-16384 RPM
Engine Speed is computed by the
PCM
from the fuel control reference input. The engine speed should remain close to desired idle under the various engine loads with the engine idling.