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Pontiac
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1993
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Trans Sport 3.8 L
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - System/Component Tests
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Fuel System (Gasoline)
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Fuel Control
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Oxygen Sensor
Oxygen Sensor
See
ENGINE SENSORS & SWITCHES
.
NOTE:
If injectors are dirty, they should be cleaned using approved injector cleaning procedure before performing PFI INJECTOR BALANCE TEST below.