Throttle Full Close Switch: Description and Operation

1984 Plymouth Horizon L4-97 1.6L SOHCSECTION Description and Operation

Fig. 7 Carburetor switch location. 4-97 engine:





The carburetor switch, Fig. 7, is located on the end of the idle stop and it signals the computer when the engine is at idle. Whenever the curb idle screw touches the carburetor switch, there will be no additional advance from the vacuum transducer or changing of the carburetor air fuel ratio.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.