Town & Country Van AWD V6-230 3.8L VIN L SMFI (1998)
Idle Speed: Testing and Inspection
THROTTLE BODY MINIMUM AIR FLOW CHECK
Fig 97 Air Metering Fitting 6457
Fig 100 PCV Valve
1. Warm engine in Park or Neutral until the cooling fan has cycled on and off at least once.
2. Ensure that all accessories are off.
3. Shut off engine.
4. Disconnect the PCV valve hose from the intake manifold nipple (Fig. 100).
5. Cap the PCV valve nipple.
6. Install Air Metering Fitting 6457 (0.125 in orifice) to the intake manifold PCV nipple (Fig. 97).
7. Disconnect the idle purge line from the throttle body nipple.
8. Cap the 3/16 inch nipple.
9. Connect the DRB scan tool to the data link connector.
10. Restart the engine. Allow engine to idle until the cooling fan has cycled on and off at least one 180°F cycle.
11. Using the DRB scan tool, access the Minimum Airflow Idle Speed screen.
12. The following will then occur:
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Idle air control motor will fully close.
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Idle spark advance will become fixed.
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DRB scan tool displays engine rpm.
13. If idle rpm is within the range shown in the Idle Specification chart, throttle body minimum airflow is set correctly.
2.4L Idle Specifications
Odometer
Reading Idle RPM
Below 1000 Miles
500-875 RPM
Above 1000 Miles
550-875 RPM
3.0L Idle Specifications
Odometer
Reading Idle RPM
Below 1000 Miles
560-910 RPM
Above 1000 Miles
610-910 RPM
3.3L/3.8L Idle Specifications