Possible Causes

WARNING: This page is about a different car, the 2002 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.

Possible causes are:

Ignition system.
Fuel injectors.
Fuel pressure.
Evaporative emission system.
Base engine.
Low fuel or running out of fuel.
Camshaft Position (CMP) sensor.
Stuck open EGR valve.
Blocked EGR passages.