1985 Isuzu Impulse 2.0 F, StandardFACTORY OEM SERVICE PROCEDURE

Fail-Safe System

IF a failure takes place in the oxygen sensor, coolant temperature sensor circuit, throttle valve switch, air flow sensor, or the knock sensor circuit. The output of the electronic control unit will switched automatically to the fail-safe mode.

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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