Question about 2003 Mercury Mountaineer

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03 mercury mountaineer, service engine soon light came on. i was told it needed a oil change . we did that , now how do i get the light to go off ?

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Your Service Engine Soon light has nothing to do with reminding you to change your oil. The light is controlled by the ECM (Computer) in your vehicle. It monitors various sensors in your engine and compares them to variables or programs that is in its memory. When something is not registering correctly or is outside of its parameters it will turn on a MIL(Malfunction Indicator Light)or in your case a Service Engine Soon light. You will need a OBD II ( On Board Diagnostic) reader or scanner to hook up to your diagnostic port under your driver's side footwell to read what code the ECM is putting out. Than with the code the mechanic can look up the code to see what part is sending a malfunctioning. The scanner can also read and erase the code too. You can have your code pulled up with a OBD II scanner for free from any AutoZone store.

Posted on Jun 03, 2010

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  • Mercury Master
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It has to be done with a code reader,auto zone does this for free they will erase the code in the computer witch will turn the light off.

Posted on Jun 03, 2010

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1 Answer

Why is my oil life percent is 9 and can I drive still or I have to change engine oil soon for the mercury mountaineer 2006


Regular maintenance is needed for oil changes. If your oil level is dropping you need to keep it up to operating level but you do need to find out why it is burning or losing oil. If your oil is black then it needs to be changed regardless of the miles on it.

Apr 20, 2014 | 2006 Mercury Mountaineer

Tip

Ford service light procedure 1994-01


Windstar

1999-01

To reset CHANGE OIL SOON/OIL CHANGE REQUIRED message on the message center, press the SETUP control to access the System Check mode. Press and release the RESET button until IF NEW OIL HOLD RESET is displayed. Press and hold RESET button until OIL LIFE SET TO 100% is displayed.


Windstar


1997-98

To reset "CHANGE OIL SOON/OIL CHANGE REQUIRED" message on the Message Center, press "RESET" and "SETUP" controls at the same time. "OIL LIFE % HOLD RESET NEW" will be displayed. Press the "SETUP" control to access the System Check mode. Press "RESET" to start the system check. Press and hold the "RESET" control. Press "RESET" and "SETUP" to reset the system to 100%


Explorer,
Mercury
Mountaineer


1997-01

To reset the oil life feature on the Message Center, press and hold the "OIL CHANGE RESET" button until the system counts down (about 5 seconds). The Message Center will display "OIL LIFE RESET TO 100%"


Probe

with Analog Dash

1989-92

When "SERVICE" is illuminated on the Vehicle Maintenance Monitor on the overhead console, press the "SERVICE INTERVAL RESET" button located directly above the light.


Probe

with Digital Dash

1989-92

When "SERVICE" is illuminated on the Vehicle Maintenance Monitor on the overhead console, press the "SERVICE INTERVAL RESET" button located directly above the light.


Probe

with Digital Dash

1989-92

When "SERVICE INTERVAL CHECK" is displayed is displayed on the far left side of the instrument panel, press the "SERV OFF" button, located on the speed alarm keyboard, until three tones sound.


Thunderbird,
Mercury Cougar

with System Scanner

1986-88

When "SERVICE" appears on the Diagnostic System Scanner, press the "ODO SEL" and "TRIP RESET" buttons simultaneously. The "SERVICE" message will go out and three short beeps will be heard when the system is reset.


Thunderbird,
Mercury Cougar


1989-94

If "CHANGE OIL SOON" or "NOW" is indicated on the Monitor, turn the ignition on, but do not start the engine. Within 16 seconds, insert a paper clip into the cavity to the left of the display and depress. The display will flash; when it stops, the system is reset.















on Dec 07, 2009 | Ford Windstar Cars & Trucks

1 Answer

03 chevy s10 service soon light is on what has to be serviced


Service soon light usually means basic service such as an oil change, oil transmission something around those lines. Anything more complex would have the check engine light on

May 02, 2011 | 2003 Chevrolet S-10

1 Answer

2003 mountaineer 4.6 engine noise on cold start-up. Goes away after five-ten minutes. Happens again after engine sits about four hours. Oil was changed about 800 miles ago and have had to add over a...


I hope you or your mechanic used motorcraft synthetic or equivalent. If it wasent changed for a while before that I would get it hot and change it again soon to get the sludge out.

Feb 01, 2011 | 2003 Mercury Mountaineer

2 Answers

There are two plugs underneath when changing the oil. Which one do I pull. The front one or the rear one?


This is an 03 Mountaineer? What engine? It has two plugs on the oil pan? They did this on some of the the old 5.0 engines.

Dec 28, 2010 | 2003 Mercury Mountaineer

1 Answer

Reset the change oil light on 2006 mercury mountaineer


On the console, where the oil change light is on, scroll through the items until you get to oil life. Once at oil life, hold the reset button and it will say Engine oil new. Press reset again and this should set you oil life back to 100% .

Jun 13, 2010 | 2006 Mercury Mountaineer

1 Answer

Changed oil and message center still says oil change required (2002 mercury mountaineer)


Ford Explorer, Mercury Mountaineer, 2002-06

To reset CHANGE OIL SOON/OIL CHANGE REQUIRED message on the Message Center, press the SET UP control to access the System Check mode. Press and release the RESET button to display “OIL LIFE % HOLD RESET NEW” is displayed. Press and hold the RESET button for 2 seconds until “IF NEW OIL HOLD RESET” is displayed. Press and hold RESET button until “OIL LIFE SET TO 100%” is displayed.

Ford Five Hundred, Freestyle, Mercury Montego 2005-06 Tap the ODO/TRIP button to toggle the display between the odometer and trip odometer. Tap on the ODOiTRIP button again to toggle the display between the trip odometer and OIL LIFE % display. Press and hold the ODO/IRIP button for 2 seconds or more to display OIL LIFE 100%. Your oil life in now reset.

Nov 03, 2009 | 2002 Mercury Mountaineer

1 Answer

Engine oil light still on in 08 mountianeer


Use Reset button on Right of Steering wheel: To reset CHANGE OIL SOON/OIL CHANGE REQUIRED message on the Message Center, press the SET UP control to access the System Check mode. Press and release the RESET button to display “OIL LIFE % HOLD RESET NEW” is displayed. Press and hold the RESET button for 2 seconds until “IF NEW OIL HOLD RESET” is displayed. Press and hold RESET button until “OIL LIFE SET TO 100%” is displayed.

Good luck and keep me posted and i'll try to explain again in a different way. Harder to tell then to show how to do it. 

Jul 22, 2009 | 2004 Mercury Mountaineer

1 Answer

2003 Mountainer location of OBD2 connection


it is under the dash on the drivers side just to the right of the column.

Dec 21, 2008 | 2003 Mercury Mountaineer

1 Answer

2003 mercury mountaineer


get it read at autozone for free probably related

Jul 27, 2008 | 2003 Mercury Mountaineer

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