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Check your EGR valve or see if there are any vacuum leaks. Other than that, no special ideas.

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โˆ™ 2008-08-29 15:46:01
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Q: 99 mercury cougar V6 codes are p1744 Transmission p0420 Catalyst efficiency Below threshold bank 1 po171 system too lean bank 1 and p0174 system to lean bank 2 any ideas how to fix this?
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Related questions

What is the code p0420 code on a Mercury Mystique?

Trouble code P0420 means: Catalyst system efficiency below threshold (bank 1)

Where is P0420 on a 1998 Mercury Mystique LS?

Catalyst efficiency below threshold (bank1) You may have a tired catalytic converter on bank 1.

What is a PO420 in a 2002 Mercury Cougar?

What is a PO420 in a 2002 mercury cougar: Now if your car is 2.0L DOHC. OBD ll PO420 : Catalyst Efficiency Below Threshold (BANK 1). Hope this helps...

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I am sure there are other types of mercury related catalysts in terms of chemistry, but one that stands out is mercury-aluminum amalgum, which is used as a reductive catalyst in organic chemistry.

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where is the transmission fill on the mercury tracer

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Mercury may be used as a catalyst and in switches. It was also used in 1960s technology rectifiers.

What transmission does a Mercury Mountaineer have?

If you have a 1997 to 1998 Mercury Mountaineer or Ford Explorer with a V8 engine, you will have a 4R70W transmission.

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No,a transmission on a 2005 mercury mountaineer will not fit on a 2000 mercury mountaineer unless you change the oil message on the mountaineer.

Where is the transmission pump located on a 1994 Mercury Sable?

Inside the transmission

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Where is a transmission located at on a Mercury Sable 1999?

On a 1999 Mercury Sable : The transaxle ( transmission ) is located in the engine compartment , bolted to the engine

Is there a transmission fluid dipstick on a manual 2000 mercury cougar?

On a 2000 Mercury Cougar : No , only the automatic transaxle ( transmission ) has a dipstick

What is transmission fluid capacity for 2000 mercury sable?

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Where is the transmission stick in 1997 mercury Tracer?

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1990 mercury marquis transmission slipping in overdrive how can it fix?

my 1990 mercury marquis transmission is slipping in overdrive what do i need to look for and how can i fix it

Where is the transmission speed sensor located on a 1998 mercury villager van?

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What would cause the transmission not to move when in gear on a Mercury Sable?

Replace your transmission pump or get a new transmission.

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It is actually inside the transmission itself. You get to it be removing the transmission pan.

Does a Mercury Sable transmission have a modulator valve?

NO it don't. It is a electronic controlled transmission.

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What transmission is used in a 1997 Mercury Mountaineer AWD?

In a 1997 Mercury Mountaineer : ( 4R70W )