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Old 03-13-2013, 15:25   #1 (permalink)
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2010 mariner premier question

I just purchased a used 2010 Mercury Mariner with key less entry, but do not have the code. There was no owners manual in glove box. I know there are usually places on the vehicle body itself....Does anyone know where I can look?
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Old 03-13-2013, 18:34   #2 (permalink)
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Re: 2010 mariner premier question

Behind the inside fuse panel and/or inside the console is the Smart Junction Box. The code is printed on it.
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Old 03-13-2013, 18:54   #3 (permalink)
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Re: 2010 mariner premier question

THANK YOU SOOO MUCH! I HAVE YET TO LOCATE THE FUSE BOX BUT JUST GOT VEHICLE TODAY.
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Old 03-14-2013, 06:42   #4 (permalink)
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Re: 2010 mariner premier question

Quote:
Originally Posted by mechanicmom View Post
THANK YOU SOOO MUCH! I HAVE YET TO LOCATE THE FUSE BOX BUT JUST GOT VEHICLE TODAY.
Passenger side console kick panel. The number can't be seen from the outside, you have remove the bezel around the gear shift and the console top panel.
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Old 03-19-2013, 06:19   #5 (permalink)
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Re: 2010 mariner premier question

Try here for a PDF file of your owners manual:

http://www.fleet.ford.com/maintenanc...ls/default.asp


I have also seen them listed on craigslist if you want hardcopy. You will be able to set your personal code following the procedure listed in the manual.
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Old 03-23-2013, 19:23   #6 (permalink)
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Re: More 2010 mariner premier questions

THANK YOU FOR ALL THE HELP EVERYONE! Found code and all fuses were tested and good. This vehicle is a salvage title.

NEW PROBLEM:
VEHICLE CODES initially SHOWED:
P2111 throttle actuator control system stuck open.
P2101 throttle actuator control motor circuit low range performance
PO642 sensor A ref low voltage
PO222 TPPS B circuit low voltage
PO108 MAP/ high input

we replaced the throttle body & erased codes, but then NEW ones appeared regarding the MAP sensor & maybe an oxygen sensor....replacing throttle body did not fix problem...
Can't rev up engine at all & shows High FUEL usage on LOW RPMs while just idling. Starts ok & runs rough at first but then stabilizes.

IS THIS JUST A GENERAL SIGN OF PCM DAMAGE?
or what else can we check?
OR ARE THESE CODES ONLY ABLE TO BE RESOLVED BY DEALER?

H E L P ! ! P L E A S E ! !
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Old 03-24-2013, 06:37   #7 (permalink)
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Re: 2010 mariner premier question

You can check a MAP sensor by applying vacuum to the port, along with power. The sensor outputs a frequency related to the manifold absolute pressure, hence the name...

If your engine is idling, it will have higher manifold vacuum. There's little load on the engine. When you accelerate, the manifold vacuum drops, because the throttle plate opens and allows air to flow. The MAP senses this, and signals the computer how much load, in general, the engine is experiencing. So, the computer, based on that, flows more fuel than it would otherwise.
Altitude also affects the MAP, so if you were crossing over Loveland Pass, the MAP would sense the lower absolute pressure and adjust the fuel accordingly.
On older systems, the MAP would mess up the idle severely if it were out to lunch, as an indicator of things they can do. In your case, seems as if it is telling the computer your engine is working, so give it more fuel.
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Old 03-24-2013, 18:28   #8 (permalink)
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Re: 2010 mariner premier question

Thanks, Tom, you've been a wonderful help to me! We checked the MAP sensor & found the ground was corroded. Also, put new battery in which it needed anyway! Figured with all electronic options it could not hurt.

ANOTHER QUESTION: What can we check if the vehicle can't be reved up at all? The transmission engages & it wants to go forward and reverse, but even if you floor it, it will NOT go.....sorry to ask so many questions but would like to watch expenses & don't want to put a bunch of unecessary parts in either!

ANY SUGGESTIONS GREATLY APPRECIATED!!

JULIE
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Old 03-25-2013, 04:06   #9 (permalink)
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Re: 2010 mariner premier question

Check the fluid level in the transmission. If it is low, it can prevent full engagement of the gear as pressure could be low. Without more information & fuller description I'm done...
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