This issue is typically caused by a broken or jammed EGR (Exhaust Gas Recirculation Valve). To remedy the problem, you must remove the old EGR valve and replace it. Attached is an Article from AutoZone on how to determine if it is the EGR valve and how to replace the EGR on a Generation 3 (1996-1999) Ford Taurus, It will also determine if your problem lays in other EGR components.
Trouble code P0401 means: Exhaust Gas Recirculation Malfunction
There are ( 2 ) exhaust manifolds on your 1997 Ford Taurus V6 engine
In the exhaust pipes attached to the exhaust headers.
The 1998 Taurus 3.0 has four o2 sensors. There is one in each exhaust manifold, one in the exhaust just in front of the catalytic converter, and one behind the converter.
Costs to fix the exhaust on a 1997 Ford Taurus depends on the location and shop. For a small patch repair costs average less than $100. For a full exhaust system consumers pay between $100-$300.
If the engines are the same, and the exaust parts look the same, then it should work.
They have exhausts for The Taurus from 92-99 and '10 Use chat online to ask about installation.
My 96 Ford Taurus gl OHV had 2 when I pulled the exhaust off to replace the tyranny.
In the exhaust system between the engine and the muffler.
the only hoses i know that burn are the silicone hi temp hose that are hooked up to the exhaust gas recirculation system if you use regular vacuum hose they will burn immediately being exhaust gases are passed through, you must get hose at dealer its high temp silicone hose made to withstand 600 degrees plus heat. if different hose let me know
will a2003 door fit a 2001 Ford Taurus If I am correct most parts from Ford Taurus 2001-07 are interchangeable .
cut the Y-pipe right in front of the brace for the front of the exhaust on the eng. get a coupling that fits over it and reassemble .