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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-411 STEP 1. Using scan tool MB991958, check the evaporative CAUTION • To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before • During this test, the ECM will automatically increase the engine speed to 1,600 r/min or greater. Check that (1) Connect scan tool MB991958 to the data link connector. three clicks are heard). (5) Start the engine. position. (9) Keep the engine speed and engine load within the specified range. When the monitor test starts, the "In Progress" item (10) Turn the ignition switch to the "LOCK" (OFF) position, and disconnect scan tool MB991958. Q: Is "Evap Leak Mon. Completed. Test Failed and DTCs Set" displayed on scan tool MB991958? test. Refer to the Diagnostic Trouble Code Chart and . If no other DTC's have been set, go to Step 2 . NO <"Evap Leak Mon. Completed. Test Passed" is emission system is working properly at this time. NO <"Evap Leak Mon. Discontinued. Retest again from EVAP monitor has been interrupted during the test. AK700568AB MB991824 MB991827 MB991910 Data link |