2004 Ford Taurus 3.0 VIN 2 Cat Convertors - Taurus Car Club of America : Ford Taurus Forum
 
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post #1 of 4 (permalink) Old 04-22-2019, 01:13 PM Thread Starter
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2004 Ford Taurus 3.0 VIN 2 Cat Convertors

Hey guys. Does anyone have normal temp readings for the front cats while engine is at NOT? I'm getting a temp reading of 450 F on my back cat and around 350 on my front cat. The further down the exhaust you go the cooler it gets.

Also what is the difference in the cats for VIN U and VIN 2 ? If I got a donor vehicle, what years interchange with the 2004 ? If the cats are going bad, what are your recommendations ?
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post #2 of 4 (permalink) Old 04-22-2019, 06:18 PM
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Wow that’s cool for catalytic converters, mine we’re running at 1255.82/1256.18‘F today it’s cool and level ground so minimal load. They are usually within just a few tenths of a degree like today. I just replaced the spark plugs about 5000 miles ago and I run ethanol-free fuel.
As far as the VIN mine is also “U” and a 182 CID V6 Vulcan. I believe the S is a 181CID and believe a Dual Overhead Camshaft.

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post #3 of 4 (permalink) Old 04-22-2019, 09:32 PM
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^ Joe's VIN 2 is an ffv 12v ohv Vulcan. VIN U is a "gas-only" 12v ohv Vulcan. And yes, VIN S is "gas-only" 24v dohc Duratec.
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post #4 of 4 (permalink) Old 04-23-2019, 05:32 PM
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Quote:
Originally Posted by Joe McKinley View Post
Hey guys. Does anyone have normal temp readings for the front cats while engine is at NOT? I'm getting a temp reading of 450 F on my back cat and around 350 on my front cat. The further down the exhaust you go the cooler it gets.

Also what is the difference in the cats for VIN U and VIN 2 ? If I got a donor vehicle, what years interchange with the 2004 ? If the cats are going bad, what are your recommendations ?

If the cats are bad you will have a code. They are emissions critical so performance is managed closely. Never measured a temp. Cats go bad when you have a misfire.


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