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Home >> Pontiac >> 1979 >> Phoenix Base, 2D Hatchback, 3.8L Eng VIN A, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Computer Controlled Catalytic Converter >> Operation >> Carburetors >> Open Loop

Open Loop

At wide open throttle or cold engine, dwell will be fixed (needle steady). This is the open loop mode, since oxygen sensor has no effect on the dwell (air/fuel mixture).

NOTE: For additional carburetor information, including adjustments and specifications, see appropriate carburetor article in FUEL SYSTEMS section of this manual.
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