Question about 1999 Mercury Mountaineer

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Stalling and no power

My 1999 Mountaineer is stalling when I press the gas. after an hour of fighting with it, it seems to get alittle more life and I have gotten it up to 35mph. Usually though I press on the gas from a stop position and it stalls. No overheating, no strange smells, changed fuel filter, o2 sensors, the core, fuel pump. Drained tank and put new fuel in. What is it.

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  • Brenda Shaffer Jul 13, 2013

    changed core pack, plugs, air filter, changed oil and transmission flued



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  • 11 Answers

Have you checked the coal pack? or the plugs?

Posted on Jul 12, 2013

Testimonial: "yes changed it out, nothing still sputering"


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SOURCE: my 1992 grandmarquis isnt ging any fuel to the engine

I had a the problem and I replaced the inertia switch which is located in the trunk. This is the switch that will flip if your car gets hit in the rear end and it cuts off the fuel flow to the motor to prevent an explosion.

Posted on Jul 09, 2009

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SOURCE: fuel line freezing

If you got freezing and all these problems persist. And you did all that you said you did, then I must say first of all, You got one H*** of an engine. But, No choice, You have to drain your Fuel Tank. I think you already knew that. Just hope you don't keep it topped off. Good Luck.

Posted on Dec 12, 2008

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SOURCE: Stalling around 15 30 mph

I would try insoluating the fuel lines anywhere they go past hot parts.I would also run some fuel cleaner in with a few tanks of gasoline. It has done wonders on my truck of 189k.   Lean or no fuel related problem do not set codes. Too much unburned  fuel sets codes.   

Posted on Jan 11, 2009

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SOURCE: 1999 Mercury Mystique. Was

Hi! First of all check the radiator and auxillary fans for they may be blowing weak, have it replaced to cool down the engine better. Faulty water pump can cause overheating too, you will need to replace this for better engine coolant circulation. Check the timing belt/chain before cranking the engine again for if this is torn down it will damage the engine. IF the timing belt/chain is fine then I suspect the rotors and distributor cap. If this is faulty there will be no electric current to the spark plug to start up the engine. Hope this helps and have a good one!

Posted on May 17, 2010

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1 Answer

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