Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
Slow to fill	Fuel tank filler pipe Fuel tank filler pipe vent tube, if equipped Evaporative emission (EVAP) system Fuel tank inlet check valve (part of the fuel tank) Fill limiting vent valve (mounted on fuel tank)	Go to Pinpoint Test A .
All other fuel system concerns	Fuel system components	REFER to the Introduction - Gasoline Engines article.