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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-254 STEP 2. Measure the sensor output voltage at cylinder 1, 4 (3) Measure the voltage between terminal No. 4 and ground by backprobing. • Warming up the engine. When the engine is revved, the output voltage should repeat 0 volt and 0.6 to 1.0 volt (4) Turn the ignition switch to the "LOCK" (OFF) position. YES : Go to Step 3. AK303826 1 2 3 4 AB HARNESS CONNECTOR: B-38 B-38 (B) CYLINDER 1, 4 AKX01532AG 3 1 2 4 B-38 HARNESS |