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02-22-2015, 05:06 AM
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Ford Tough
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Join Date: Sep 2012
Posts: 334
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Re: Cats
Maybe a neighbor is stealing your gas.
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2003 Ranger XL 2WD AT with a 4.0 from a 2010 Mustang (61,000 mi) new 03 ranger injectors
Rebuilt the 8.8 with Richmond 4.10 gears, Timkin bearings and rebuilt the Trac-lok, 245/70/16 Michelin-X Radial LT2
18 mpg, all city driving. 03 Rangers don't have egr.
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02-27-2015, 10:03 AM
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Learning to use the forums
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Join Date: Sep 2010
Posts: 2
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Re: Cats
Best way to check if cats are plugged is going to a muffler shop and have them take a infared reading on them. Only takes a couple of minutes.
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02-27-2015, 10:36 AM
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Junkyard Dog
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Join Date: Sep 2010
Posts: 1,906
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Or use a vacuum gauge connected to the intake manifold.
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Automotive Electronics Engineer
2000 XLT 2.5L A/T
Mods:
Explorer OHC
Explorer Autodim Mirrors w/ Autolamps
Explorer Sport White Face Gauges
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07-20-2015, 12:11 AM
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Ford Tough
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Join Date: Feb 2014
Posts: 231
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Well about a week ago I got my cats chopped out and just pipe replacing them id like to report my fuel mileage has honestly doubled since doing so and that's even with my foot through the floor of I drive like a saint I can get close to 4-500k if not I get 3-400km I'm loving it I would definitely recommend
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2008 xlt 4x4 extended cab, 4.0 SOHC,automatic
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07-20-2015, 09:22 AM
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Ford Tough
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Join Date: Sep 2012
Posts: 334
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Re: Cats
Quote:
Originally Posted by 4.0beast
Well about a week ago I got my cats chopped out and just pipe replacing them id like to report my fuel mileage has honestly doubled since doing so and that's even with my foot through the floor of I drive like a saint I can get close to 4-500k if not I get 3-400km I'm loving it I would definitely recommend
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So now you have the check engine light on full time?
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2003 Ranger XL 2WD AT with a 4.0 from a 2010 Mustang (61,000 mi) new 03 ranger injectors
Rebuilt the 8.8 with Richmond 4.10 gears, Timkin bearings and rebuilt the Trac-lok, 245/70/16 Michelin-X Radial LT2
18 mpg, all city driving. 03 Rangers don't have egr.
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07-23-2015, 10:21 PM
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Ford Tough
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Join Date: Feb 2014
Posts: 231
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No it's off I have spacers on the O2 sensors so it fools them into thinking its still got the cat so it reads proper and its runs clean.
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2008 xlt 4x4 extended cab, 4.0 SOHC,automatic
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07-24-2015, 12:40 AM
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No wire hangers, ever!
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Join Date: Jun 2010
Posts: 10,362
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Quote:
Originally Posted by 4.0beast
No it's off I have spacers on the O2 sensors so it fools them into thinking its still got the cat so it reads proper and its runs clean.
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Well no, you tricked the sensor, so it's not really "running clean" at all.
The vehicle is just reporting it is (based on false input information).
If you had the sensors installed properly, it would report an error.
Last edited by Logan03CO; 07-24-2015 at 12:45 AM.
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07-26-2015, 01:23 PM
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Ford Tough
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Join Date: Feb 2014
Posts: 231
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That's true but I'm happy with it runs better, higher fuel mileage but I need a muffler its to ricey for my liking
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2008 xlt 4x4 extended cab, 4.0 SOHC,automatic
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07-26-2015, 01:31 PM
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ford dealer parts guy
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Join Date: Apr 2011
Posts: 20,938
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Re: Cats
Quote:
Originally Posted by Logan03CO
Well no, you tricked the sensor, so it's not really "running clean" at all.
The vehicle is just reporting it is (based on false input information).
If you had the sensors installed properly, it would report an error.
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2021 F150 5.0 Screw
Past:18 F150 2.7, 16 F150 5.0, 14 F150 5.0, 07 F150 5.4, 03 Ranger 4.0
Master Certified Ford Parts / Warranty Admin
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