Poor Fuel Economy

WARNING: This page is about a different car, the 1995 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

Check for leaky fuel injectors.
Ensure spark plugs are not fouled.
Check for faulty oxygen sensor.
Check TP sensor and connector (if applicable).
Check for poor wire connections.
Check crankshaft position sensor.
Check MAP sensor (if applicable).