Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPLYMOUTH1994SUNDANCE BASE, 2D HATCHBACK, 2.2 D, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - TESTS W/CODES - 2.5L TBISELF-DIAGNOSTIC TESTSTEST NTC-14A - CHECKING MINIMUM IDLE AIRFLOW
1994 Plymouth Sundance Base, 2D Hatchback, 2.2 D, Automatic
Test NTC-14A - Checking Minimum Idle Airflow
1994 Plymouth Sundance Base, 2D Hatchback, 2.2 D, AutomaticSECTION Test NTC-14A - Checking Minimum Idle Airflow
- Turn ignition off. Remove air cleaner assembly. Plug heated air door vacuum hose. Disconnect PCV valve hose from vacuum nipple. Install Vacuum Fitting (6457) to intake manifold PCV nipple. Start engine. Allow engine to reach normal operating temperature.
- If vehicle has less than 1000 miles on odometer, go to next step. If vehicle has more than 1000 miles on odometer, using DRB, actuate minimum airflow. Engine speed should be 1050-1250 RPM. If engine speed is within specification, minimum airflow is normal. Test is complete. If engine speed is not within specification, replace throttle body. Perform TEST VER-2 .
- Using DRB, actuate minimum airflow. Engine speed should be 650-1250 RPM. If engine speed is within specification, minimum airflow is normal. Test is complete. If engine speed is not within specification, replace throttle body. Perform TEST VER-2.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.