dodge Workshop Repair Guides

Dodge Workshop Service and Repair Manuals

Air/Fuel Mixture > < With Computer Control|Page 2625
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Idle Speed: Adjustments

Fig. 7 Adjusting fast idle speed.  Holley carburetor

HOLLEY CARBURETORS

1.

Disconnect and plug vacuum hose from CCEGR/CVSCC valve.

2.

Disconnect electrical connector from radiator fan, then install jumper wire so fan will run continuously.

3.

Remove PCV valve and allow to draw underhood air.

4.

Connect tachometer, then ground carburetor switch with suitable jumper wire, if equipped.

5.

Disconnect oxygen sensor system test connector located on left fender shield, if equipped.

6.

Start engine and allow to reach normal operating temperature.

7.

Open throttle slightly and place adjustment screw on slowest speed step of fast idle cam.

8.

Open choke valve and adjust fast idle speed to specifications, Fig. 7.

9.

Return to curb idle, then place adjusting screw on slowest speed step of fast idle cam and readjust if necessary.

10.

Connect PCV valve, oxygen sensor connector and vacuum connectors, then remove radiator fan jumper wire.

Air/Fuel Mixture > < With Computer Control|Page 2625