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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-777 STEP 2. Measure the voltage at PCM connector B-23 by (1) Disconnect the all PCM connectors and connect power plant ECU check harness special tool MB991923 between (2) Start the engine and run at idle. 127 126 125 124 123 122 121 133 132 131 130 129 128 140 139 138 137 136 135 134 146 145 144 143 142 141 153 152 151 150 149 148 147 AK303058 HARNESS CONNECTOR: CONNECTOR: B-23 B-23 PCM AB AIR CLEANER AK202954 127 126 125 124 123 122 121 133 132 131 130 129 128 140 139 138 137 136 135 134 146 145 144 143 142 141 153 152 151 150 149 148 147 AB POWER PLANT ECU MB991923 PCM |