Service engine light

There is a diagnostic procedure in the factory service repair manual for engine light lit ,no codes . Did you take it to ford dealer ? MIL - is referring to check engine , service engine soon etc...

• MIL always on when engine is running (no DTCs):
• MIL circuits

• For Focus, Mustang, Town Car, Continental, LS6/LS8, Escape, Windstar, F-150, Expedition and Navigator/Blackwood:
• Instrument Cluster, Section 413-01 of the Workshop Manual.
• All Others:
• GO to NB1

SERVICE ENGINE SOON indicator After the engine is started, the SERVICE ENGINE SOON indicator will prove out for a duration of three seconds. If the instrument cluster does not receive a message from the PCM within five seconds, the instrument cluster will illuminate the SERVICE ENGINE SOON indicator and log a diagnostic trouble code (DTC).

• An indicator is inoperative/always on - SERVICE ENGINE SOON

• Circuitry.
• Bulb.
• Instrument cluster.
• PCM.

• GO to Pinpoint Test P .

PINPOINT TEST P: AN INDICATOR IS INOPERATIVE/ALWAYS ON - SERVICE ENGINE SOON CONDITIONS DETAILS/RESULTS/ACTIONS P1 CARRY OUT THE INSTRUMENT CLUSTER SERVICE ENGINE SOON INDICATOR ACTIVE COMMAND Trigger the HEC active command MIL.

• Did the SERVICE ENGINE SOON indicator illuminate?

Yes REFER to Powertrain Control/Emissions Diagnosis (PC/ED) manual.

No INSTALL a new instrument cluster; REFER to Instrument Cluster . CLEAR the DTCs. REPEAT the self-test.

Service Engine Soon came back on and the car is again stalling ????? Did you have it checked for DTC'S - diagnostic trouble code's ? Service engine soon light on , codes will be present !

Service engine soon has nothing to do with service or maintenance . Emission's OBD 2 engine managment system . Light on ! DTC'S - diagnostic trouble codes stored . Your don't know THAT ! Your best bet , take it to the dealer .

WHERE YOUR AIR BOX IS FOLLOW THE HOSE3 OVER AND IT IS CLAMPED ON ADN UN CLAMP IT AND SEE IF NTHEMASS AIR FLOW SCREAN IS COVERED WITH CARBON IT SHOULD BE REALLY SHINNY AND CLEAN IF IT ISW THEIR IS A MASS AIR FLOW SENSOR CLEANER SPARY THAT YOU CAN BUY FROM ANTY PARTS STORE FOR ABOUT 10.00.

The Service Engine Soon light has illuminated because the computer has detected a problem with a sensor, actuator, or a system that it monitors. There are literally hundreds of codes and thousands of possibilities.

The first step is to have the computer scanned to see what codes are present. Once you know what codes are present you'll have a much better idea of what is wrong and what needs to be repaired.

Post the codes here and I'll be happy to help you further if I can.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

It's most likely going to be the wheel speed sensor which is located at the wheel bearing. when they become disconnected or the wire breaks your abs and traction light will come on and something your check engine light.

Hi,read your car service manual,it will show you how to reset service engine light.
good luck!!!!!!!

have the vehicle scanned for "history" codes and let me know what they find. once you have these diagnostic codes in hand it is alot to decide which circuit to chase or part to replace.

The ABS system including pump may be faulty which is quite common. You will have to take this to dealership or mechanic. Either there is a bad pump or a fault in the electrical system

sounds like a battery ground,check chassis ground strap coming from - batt terminal to the body. Also the one bellhousing bolt in front of engine down by the starter has ground for sensors.
Check there ,make sure it's tight.