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Pontiac
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1988
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Grand AM L4-151 2.5L
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Idle Speed
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Specifications
Idle Speed: Specifications
IDLE SPEED
IS CONTROLLED BY ECM
MINIMUM AIR RATE IS AS FOLLOWS
Curb (Slow) RPM M.T.
600
Curb (Slow) RPM A.T.
600D