isuzu Workshop Repair Guides

Isuzu Workshop Service and Repair Manuals

Air/Fuel Mixture > < Idle Speed|Specifications
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Idle Speed: Adjustments

Idle Speed Adjusting Screw

Adjust engine idle speed under the following conditions:

1.

Engine at normal operating temperature.

2.

Lights, A/C, engine cooling fan, and accessories turned "OFF."

3.

Pressure regulator VSV electrical connector disconnected.

4.

Canister purge hose disconnected and plugged.

5.

EGR vacuum hose disconnected and plugged.

6.

Engine idling with throttle valve completely closed and idle switch "ON".

7.

Transmission in "Park" or "Neutral".

Start engine and check idle speed. If incorrect, adjust idle speed screw "A" on throttle body until engine idles at 950 rpm.

Air/Fuel Mixture > < Idle Speed|Specifications