Idle Speed

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2000 Isuzu VehiCROSS, 2000 Isuzu Trooper, 2000 Isuzu Rodeo, 2000 Isuzu Hombre, and 2000 Isuzu Amigo. However, it is still accessible from the selected car via links, so may be relevant.

Idle speed is controlled by Idle Air Control (IAC) valve and is not adjustable. Throttle stop screw is preset at factory and sealed in position. See IDLE SPEED SPECIFICATIONS table. When installing a new Idle Air Control (IAC) valve, turn ignition off and replace original with identical part.

IDLE SPEED SPECIFICATIONS

Application

⁽¹⁾ RPM

Amigo & Rodeo ⁽²⁾

750

Hombre

2.2L

⁽²⁾⁽³⁾

4.3L

650

Trooper & VehiCROSS

750

⁽¹⁾	Transmission in Park or Neutral.

⁽²⁾	Idle speed is controlled by PCM and is not adjustable.

⁽³⁾	Idle speed specification is not available from manufacturer.

Replacement IAC valve calibration is input into PCM by cycling ignition on and off. Start engine and compare idle speed with specification. See IDLE SPEED SPECIFICATIONS table. If idle speed is not as specified. Repeat calibration input procedure and recheck idle speed.