1980 Plymouth Arrow Base, Automatic TransFACTORY OEM SERVICE PROCEDURE

Electronic Spark Control System: Description: Notes

The Electronic Spark Control system is governed by a Spark Control Computer, various engine sensors and a specially calibrated carburetor. The function of this system is to provide a method for the engine to burn a lean air/fuel mixture.

NOTE: All Calif, vehicles and Federal vehicles with 318" 4-barrel engines have an Electronic Spark Combustion Computer. See below.
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.

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