Question about 1999 Mercury Mountaineer

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#7 Fuel Injector for 1999 Mercury Mountaineer

I need to change the #7 injector. Where can I find it?

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If it was me i would call a good salvage yard and they will be able to help you or stop by a ford dealer and in the parts department they can tell you also

Posted on Feb 25, 2009


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Changed fuses ND now my truck won't start 98 mercury mountaineer

Which fuses did you change? I don't know what ND means? If it cranks good but won't start, have a helper crank it while you check for spark at the plugs. If spark, use a gage and check proper fuel pressure, also check fuel injector pulse. What about your security system? Can you check for applicable trouble codes. To check, you need an obd2 code reader, at least. There may not be any codes?

Sep 18, 2016 | 1998 Mercury Mountaineer

1 Answer

I have a 99 mercury mountaineer and it ran out of gas after I put gas in it its like the truck just won't kick thegears ovr do u think I need a new fuel filter or a whole fuel tank

Your problem may be one of the following:
First check or just replace the fuel filter. Usually located under the car in front of the rear axle, drivers side.
Next, the fuel pump may be worn out. Usually they just stop working (running).
Next, check the fuel pressure regulator. Usually located on the front fuel rail, drivers side.
Is the vacuum line attached? Not leaking or rotted?

You dont need another fuel tank. Running a vehicle out of gas allows any trash or goo to get in the fuel system. Trash mostly is trapped at the pump inlet screen and in the filter. GOO can make its way into the injectors. Throw in a bottle of injector cleaner. A sure indication of a bad fuel pump is an audible constant change in rpm's. It sounds like it's changing gears.

Aug 02, 2011 | 1999 Mercury Mountaineer

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Hi, I have a 1999 Mercury Mountaineer -- The problem is the Mountaineer is been sitting for 2 years I try to turn it on and it did not turned on-- I spray starting spray and it turn on for split second as...

if it hasnt been ran for 2 years, i would drain the gas. put some 90 octane gas into it with some fuel injector cleaner if it still dont start, check the fuel pressure by disconnecting the quick connector from the fuel rail should have 35-40 lbs of pressure if it is way low or none fuel pump is bad

Feb 08, 2011 | 1999 Mercury Mountaineer

1 Answer

Montainair 2004 fuel consumption now is 27.5 l/km? please advise

Not bad for a Mountaineer. If your looking to increase mileage you can try Fuel injector cleaner and a tune up. Make sure you have tire pressure correct in all tires as well.

Oct 11, 2010 | 2004 Mercury Mountaineer

2 Answers

Where is a fuel filter located on a 2002 mercury mountaineer My car is slugish when it is stopped at a stop sign could this help if i change the fuel filter

Here's a step by step, with photos, on how to replace an Explorer fuel filter. The Mountaineer should be exactly the same. The problem you describe can be attributed to the fuel filter. Good luck.

Sep 30, 2009 | 2003 Mercury Mountaineer

1 Answer

On an occasion my Mountaineer will shake and act like it will die

my guess is that there is some thing wrong with your fuel system. Try to put a can of injector cleaner in the tank next fill up. if that does not help it start trouble shooting each injector by unpluging it waiting for the engine to start to run differently (only takes about a second for this to hapen) If it starts to run different with the injector un pluged then the injector is ok if the engine does not run differenty the the injector is bad. Also check for vacume leaks, and test your fuel pump

Jun 30, 2009 | 2003 Mercury Mountaineer

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