1998 Isuzu Oasis LSFACTORY OEM SERVICE PROCEDURE

Intake Air By-Pass (IAB) Control System

The IAB control solenoid valve is located at lower rear of engine. IAB control solenoid valve is off when engine speed is more than 4900 RPM.

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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