Poor Fuel Economy

Review the owner's driving habits for any of the following:

• The A/C system defroster mode is ON all the time.
• The tires are improperly inflated.
• Heavy loads are frequently being carried.
• Heavy acceleration and high speeds are common.
• Frequent short trips
• Prolonged periods of idling
• Driving on unpaved or rough roads

Fuel Odor

• The pressure relief valve in the fill limiter vent valve (FLVV) is stuck open.
• The pressure relief valve in the FLVV is leaking.
• The EVAP canister is saturated with fuel.
• A leak with the fuel tank, lines and hoses, or fuel filler cap.