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Mazda
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1991
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929 Base
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Tests W/O Codes
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Excessive Fast Idle
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CARBURETED Models (B2200 Federal)
CARBURETED Models (B2200 Federal)
Ensure no vacuum leaks are present.
Check choke adjustment and operation.
Check throttle cable adjustment.
Verify ignition timing is correct.
Verify dashpot disengages throttle lever at 1900-2100 RPM.