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Fuel Cap Warning Message
Fuel Cap Warning MessageThe PCM detects a loose or missing fuel fill cap under certain conditions, and alerts the driver by showing the information in the odometer/outside temperature display. If the PCM detects a small volume leak, the MIL may come on during the third drive cycle, and store a DTC.
First drive cycle
During the first drive cycle after a cold start, the PCM alerts the driver to check the fuel fill cap by showing a "CHECK FUEL CAP" (*06 model) or a "TIGHTEN FUEL CAP" (*07-08 models) message on the multi-information display (A), and it stores Temporary DTC P0457 "Evaporative Emission (EVAP) System Leak Detected/Fuel Fill Cap Loose or Missing." Tightening the fuel cap does not make the message go off immediately.
To make the message go off (with the HDS)
Procedure
1. Tighten the fuel fill cap until it clicks.
2. Clear the Temporary DTC with the HDS.
3. Verify there is no leak by doing the EVAP FUNCTION TEST in the INSPECTION MENU with the HDS.
To make the message go off (without the HDS) (*06 model)
Procedure
1. Tighten the fuel fill cap until it clicks.
2. The message should go off after several days normal driving.
To make the message go off (without the HDS) (*07-08 models)
Procedure
1. Tighten the fuel fill cap until it clicks.
2. Turn the ignition switch ON (II), then turn the ignition switch OFF.
3. Do step 2 two more times.