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It could be a variety of things. dirty air filter, worn out spark plugs, bad 02 sensor, clogged fump filter, or even dirty injectors.

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โˆ™ 2006-04-15 19:44:10
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Q: What would cause a drop in fuel mileage on a 2001 Mercury Mountaineer V8?
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When you accelerate in your1999 mercury mountaineer the vents close what would cause this?

Pin cone

What would cause an abs light to come on on a 98 mercury mountaineer?

An ABS fault.

Which freon do you use in a mercury mountaineer?

Since the first model year of the Mercury Mountaineer is the 1997 model it would be ( r134a )

What would cause the front axle to break on a '97 Mercury Mountaineer?

bearning on front breaks burn out

Would ABS Sensor cause 1997 mercury mountaineer not to start?

No , ABS is the anti-lock brake system

What would cause the loud metal banging sound in the front of my 98 mercury mountaineer?

Check the main crank pulley.

Why would the engine be smoking on your mercury mountaineer?

rings or seals

What would cause a loud winding noise in a 1997 Mercury Mountaineer?

Bearing in: Alternator? Water pump? A/C Compressor? Belt tensioner?

How many quarts does a 2003 v8 mercury mountaineer take?

That would be the 4.6 liter engine, which takes six quarts. * of 5W-20 according to the 2003 Mercury Mountaineer Owner Guide

When you accelerate in your 1999 mercury mountaineer the vents close what would cause this?

Vacuum leak in a/c door control system . Look for vacuum leak under the hood.

Where is fuel filter 97 mountaineer?

On a 1997 Mercury Mountaineer : I assume the fuel filter would be in the same location as a 1997 Ford Explorer : ( underneath the Mountaineer , below the drivers door , mounted on the frame rail )

What would cause the brakes on a 97 Mercury Mountaineer to be soft and the anti-lock braking system to engage at speeds below 5 MPH?

Check into the ABS pump or module ---- I would say the pump

Why would heat come out when you turn on the air conditioning in Mercury Mountaineer?

the blend door actuater is bad

What is causing the heater to blow cold air in 2002 Mercury Mountaineer?

you would have to see a mechanic about that problem

Does the 2002 mercury mountaineer have a tranmisson dip stick?

I assume the 2002 Mercury Mountaineer would be the same as a 2002 Ford Explorer ( No , starting with the 2002 model there is no automatic transmission fluid level dipstick ) Ford has a way of checking from underneath the vehicle

Where are the oxygen sensors bank 1 sensor 1 in a 2002 mercury mountaineer?

Bank 1 is the passenger side of the engine in your Mercury Mountaineer Sensor 1 would be close to the engine before the exhaust enters the catalytic converter ( upstream sensor )

How much is the labour to replace rear brake pads on a Mercury Mountaineer?

In CT USA, a garage would charge 1 hour labor to replace the rear brake pads on that Mountaineer.

What would cause the headlights on a 1998 Mercury Mountaineer to stay on for 10 minutes after the vehicle is shut off?

It has a built in timer. You can adjust how long they stay on with the sliding lever located on the rear view mirror.

How many quarts of transmission fluid does my 1997 mercury mountaineer hold?

According to the 1997 Mercury Mountaineer owners manual : Your 4R70W automatic transmission capacity is ( 13.9 quarts ) * that of couse would be for the transmission , torque converter , lines , transmission cooler , etcetera *

Where is bank 2 sensor 1 is located on a 2002 mercury mountaineer?

On a 2002 Mercury Mountaineer ( V6 and V8 engines ) Bank 2 is the drivers side of the engine Sensor 1 would be close to the engine BEFORE the exhaust enters the catalytic converter

Where is the resistor on a 2001 Mercury Mountaineer?

I would like to know where the resistor is located on a 2001 mercury mountainneer, thank you. E-mail me at My name is Mike.

Why would your ABS light be on in a 1997 mercury mountaineer?

Could be anything from an ABS system fuse , sensor etc . malfunction

Where is the front passenger side kick panel on a 1998 Mercury Mountaineer?

The side panel where the passenger's right foot would rest

What are a series of warning chimes when driving a 1999 Mercury Mountaineer?

i would like to know that too. can some one please anwer it???

Would you weigh more or less on mercury?

You would probably weigh less cause there is no air on mercury.