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6E1–246 X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION ROUGH, UNSTABLE, OR INCORRECT IDLE, STALLING SYMPTOM DEFINITION: Step Action Value(s) Yes No 1 Was the On–Board Diagnostic (OBD) System Check — Go to Step 2 Go to OBD System Check 2 1. Perform a bulletin search. correct the condition as instructed in the bulletin. Was a bulletin found that addresses the symptom? — Verify repair Go to Step 3 3 Was a visual/physical check performed, including the — Go to Step 4 Go to Visual / Physical Check 4 Verify that the EGR valve is not mounted backwards. Was a problem found? — Verify repair Go to Step 5 5 1. Check for incorrect idle speed. Ensure that the following conditions are present: D Engine fully warm. D Accessories are OFF. 2. Using a Tech 2, monitor IAC position. Is the IAC position within the specified values? Between 10 and 50 counts Go to Step 8 Go to Step 7 6 1. Visually/physically inspect for the following conditions: D Restricted air intake system. Check for a D Check for objects blocking the IAC passage or D Check for a condition that causes a large Was a problem found? — Verify repair Go to Step 7 7 Using a Tech 2, monitor TP angle with the engine idling. Is the TP angle at the specified value and steady? 0% Go to Step 8 For further diagnosis, refer to DTC P0123 8 Check for proper ignition voltage output with the spark Was a problem found? — Verify repair Go to Step 9 9 1. Remove the spark plugs and check for gas or oil fouling, cracks, wear, improper gap, burned 2. If spark plugs are fouled, the cause of the fouling must be determined before replacing the spark Was a problem found? — Verify repair Go to Step 10 |