1995 Isuzu Rodeo LS, RWDFACTORY OEM SERVICE PROCEDURE

Fuel-Cut (Slow-Cut) System

  1. Warm engine to operating temperature. Turn ignition off. Unplug throttle valve switch wire connector. Insert a fine wire into upper (idle) terminal. Reconnect throttle valve switch connector with fine wire partially pulled outward. See Fig 1 .
  2. Start engine, and operate it at 2000-2500 RPM. Connect battery voltage to fine wire installed on throttle valve switch. When battery voltage is applied, engine speed should decrease to about 1250 RPM. Engine surging may occur, which is normal during test procedure.
FUEL-CUT SPECIFICATIONS

Test Condition Speed (MPH) Engine (RPM) Idle Contact
Fuel-Cut 15 or More 1700 or More On
Fuel-Cut 0 1700 or More On
Injection 6 or Less 1250 or Less Off
Fig 1: Installing Wire In Throttle Valve Switch
G95B32418Courtesy of ISUZU MOTOR CO.
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When to See a Mechanic

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

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

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