JTB00533NAS1

SITUATION: During an engine cold-start (coolant temperature at or below 75°C / 167°F), the engine may exhibit hard starting, rough idle, poor running, and/or an engine misfire. The engine Malfunction Indicator Lamp (MIL) may be illuminated with Diagnostic Trouble Code (DTC) P0316 stored in the Powertrain Control Module (PCM) and one or more misfire code(s) P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, and/or P0308.