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Clogged Cats?

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Old Sep 19, 2016 | 10:33 PM
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Clogged Cats?
2002 explorer 4.0 Non supercharged. no power unless you disconnect the dpfe sensor. Suspect clogged cats. Am I barking up the wrong tree? How do I verify its the cats?
Thanks
 
Last edited by Don Gor; Sep 24, 2016 at 06:43 PM. Reason: Follow up
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Old Sep 19, 2016 | 10:46 PM
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Pull the OBD II codes. Clogged cats are not unheard of but not that common.

These engines have intake o-ring vacuum leaks, cracked intake vacuum leaks, fuel pump issues, timing chain issues, and other items that can cause a loss of power.
 
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Old Sep 19, 2016 | 11:22 PM
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If you want to rule out any restriction in the exhaust a mechanics vacuum gauge will tell the tale.
 
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Old Sep 20, 2016 | 01:54 AM
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Originally Posted by Tedster9
If you want to rule out any restriction in the exhaust a mechanics vacuum gauge will tell the tale.
Yeah, a clogged exhaust will show up on a vacuum gauge in a couple seconds
 
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Old Sep 20, 2016 | 06:01 AM
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Thanks
Thanks for the quick response. I'll keep you posted.
 
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Old Sep 20, 2016 | 10:00 AM
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I would say faulty DPFE sensors have been more common on Fords than plugged catalytic converters....

-Rod
 
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Old Sep 22, 2016 | 09:46 PM
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Just curious. If the cat is plugged, wouldn't there be excessive EGR flow and a related code? I suppose it would have to be plugged enough...
 
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Old Oct 15, 2018 | 11:19 AM
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feed the poor things a laxative it will make them feel better.
 
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