Happened to me too.. Solenoids had to be replaced.
Evaporative emission leaks, EGR, misifireEvaporative emission leaks, EGR, misifire
check engine light means a problem with the emission system
The check engine light comes on when the ECU detects a problem with the emission system. The maintenance required light comes on when some maintenance is required on the vehicle such as an oil/filter change.
acura cl 2002 check engine light
how do i reset the check engine light on a 1999 acura 3.2tl
Pressure is low for some reason-check your fluid.
See "Related Questions" below for the same discussion in the Windstar category - equally applies to the Freestar/Monterey
The computer system needs to be scanned to see what code is causing the light to come on. The code will tell you what sensors or other components that the computer thinks is bad.
The check engine light comes on when the ECU detects a problem with the emission system. To determine what the problem is you need to have the ECU scanned with an OBD2 scan tool. The code you retrieve will tell you where to start looking for the problem.
oxygen sensor
The check engine light comes on when the ECU detects a problem with the emission system in the vehicle. Have the ECU scanned to retrieve the code that will tell you what part of the system is being effected.