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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-265 STEP 15. Test the OBD-II drive cycle. Diagnostic Function − OBD-II Drive Cycle − Procedure 6 − Other Monitor (2) Check the diagnostic trouble code (DTC). YES : Retry the troubleshooting. DTC P0137: Cylinder 1, 4 Heated Oxygen Sensor Circuit Low Voltage (sensor 2) 52 51 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 100 99 92 91 93 94 95 96 97 98 101 102 103 104 105 106 107 108 109 110 111 112 113 AK303824 1 2 3 4 YELLO W BLUE BLA CK BLA CK TO PCM FROM MFI RELAY 69 97 2 4 3 1 B-22 CYLINDER 1, 4 POWERTRAIN CONTROL B-38 MU802605 Cylinder 1, 4 Heated Oxygen Sensor (rear) Circuit B-21 |