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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-754 STEP 2. Check the evaporative emission purge solenoid solenoid and connect a hand vacuum pump to the nipple of (2) Use the hand vacuum pump to confirm that the evaporative emission purge solenoid holds vacuum. (3) Disconnect the hand vacuum pump, and reconnect hose C to the evaporative emission purge solenoid. Q: Does the evaporative emission purge solenoid hold vacuum? Then go to Step 15. STEP 3. Check for leaks in evaporative emission hoses A Use a hand vacuum pump to test each hose from hose A to Q: Do the hoses hold vacuum? YES : Go to Step 4. STEP 4. Check for leaks in the chamber. that the applied vacuum does not fluctuate. Q: Is the chamber in good condition? YES : Go to Step 5. AC306393 HOSE C AB AC306392 HOSE A HOSE B HOSE C HOSE D HOSE E AB AC306392 AC CHAMBER |