1987 Hyundai Excel Base, 2D HatchbackFACTORY OEM SERVICE PROCEDURE

Feedback Carburetor System: Description

This feedback carburetor system uses closed loop feedback circuitry. The system has 3 basic components, the carburetor, feedback computer and an oxygen sensor in the exhaust manifold.

NOTE: Some 1987 vehicles have been retrofitted with 1988 carburetors. See NEW CARB SYSTEM - FUEL 002, JULY 1987 article in TSB/RECALLS/TECH INFO section.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

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

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