TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the vacuum line at the PCV valve.
Install Miller Tool #6714 (0.185
9 air metering orifice) into the disconnected vacuum
line in place of the PCV valve.
Disconnect the purge hose from the fitting on the throttle body. The purge hose is
located on the front of the throttle body next to the MAP sensor. Cap the fitting at the
throttle body after the purge hose has been disconnected.
Start the engine. Ensure that all accessories are off. Allow the engine to reach
operating temperature above 82°C (180°F).
With the DRBIII
t in System Tests, perform the 9Minimum Air Flow9 function.
Is the engine RPM between 500 and 900?
All
Yes
→
Test Complete.
No
→
Go To
5
5
Turn the ignition off.
Remove the Throttle Body.
Warning: Clean throttle body in a well ventilated area. Wear rubber or butyl
gloves. Do not let cleaner come in contact with eyes or skin. Avoid injesting
cleaner. Wash thoroughly after using cleaner.
While holding the throttle open, spray the entire throttle body bore and the manifold
side of the throttle plate with Mopar Throttle Body Cleaner. Clean the IAC motor
passage also. Use compressed air to dry the throttle body.
Re-install the throttle body.
Note: Miller Tool #6714 (0.185
( air metering orifice) still attached to the PCV
vacuum line and the purge hose fitting on the throttle body capped.
Start the engine. Ensure that all accessories are off. Allow the engine to reach
operating temperature above 82°C (180°F).
With the DRBIII
t in System Tests, perform the 9Minimum Air Flow9 function.
Is the engine RPM between 500 and 900?
All
Yes
→
Repair complete.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
No
→
Test Complete.
Caution: Stop all actuations. Turn engine off.
157
DRIVEABILITY - GAS
P1294-TARGET IDLE NOT REACHED —
Continued