1986 Mitsubishi Starion ESI-RFACTORY OEM SERVICE PROCEDURE

Diagnostic Check Number 3 (Airflow Sensor)

Airflow sensor maximum output is 10 cycles per second while engine is idling. If engine stalls, output will rise to 100 cycles per second. Check wiring harness and connector, airflow sensor and ECU.

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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