dodge Workshop Repair Guides

Dodge Workshop Service and Repair Manuals

Air Cleaner Housing > < Idle Speed|Specifications|Page 1360
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Idle Speed: Adjustments

1989-90 4 cyl.:  Connect DRB-II to "check engine" connector.  Disconnect PCV valve and install special tool C-5004 (0.125" orifice) to PCV hose. 
Start engine and switch DRB to "Min. Airflow Idle Spd."  If minimum throttle body airflow is not correct, throttle body must be replaced.

Air Cleaner Housing > < Idle Speed|Specifications|Page 1360