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1983 - 2012 Ranger & B-Series All Ford Ranger and Mazda B-Series models

plugged cat!

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Old Apr 21, 2005 | 11:16 PM
  #1  
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john72ss
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Mountain Pass
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From: southwest washington (th
plugged cat!

ok 288000 miles is pretty good for the original cat i guess.. muffler shop says 325.00 for a new one, its the dual cat set up for a 88--- 2.9 so will i notice anything like less mileage, or bad performance? it did pass deq!
 
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Old Apr 22, 2005 | 12:37 PM
  #2  
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dono
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Originally Posted by john72ss
ok 288000 miles is pretty good for the original cat i guess.. muffler shop says 325.00 for a new one, its the dual cat set up for a 88--- 2.9 so will i notice anything like less mileage, or bad performance? it did pass deq!
You will have less power and it will grow worse. Years ago when I had cat problems I replaced the cat with a cheap universal cat ($30 with adapters and clamps). Another time I just punched out the cat with a wrecking bar and put it back on. Good luck.
Dono
 
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Old Apr 22, 2005 | 01:24 PM
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hydrology_joe
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What were the symptoms you experienced that led you to determine it was a clogged catalytic converter? I am having some hesitation/bucking on acceleration from a stop and most references cite a clogged cat as a possible cause. (along with flywheel, brakes, transmission & differential)
 
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Old Apr 22, 2005 | 01:59 PM
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john72ss
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i was using a heat gun to see what the temp reading on the cat are according to what ive been told, its supposed to be much hotter at the outlet. and it was 200 degrees less and i told the muffler guy and he said its shot!, plaus i had the engine rebuilt and it just passed (on the borderline)
 
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Old Apr 22, 2005 | 11:44 PM
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el conquistador
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hook up a vacuum gauge at the manifold and keep the rpm's at 2500 for a few minutes. if the gauge drops then the cat is clogged if not then the cat is good.
 
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Old Apr 29, 2005 | 04:31 PM
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Plugged cat?

Try milk of Magnesia or Ex-Lax!


(Sorry, just couldn't resist.)


I'm no expert in truck mechanics, but I'm simply amazed (!) at how long these trucks run. 288,000 miles? Incredible!

Hope someone else can really help you.

matis
 
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Old Apr 29, 2005 | 06:40 PM
  #7  
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Help I M Stuck
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From: MARYLAND
If your cat was plugged the easiest way to tell is by the SMELL..it would smell like farts in the truck when that thing started heating up..also you would loose power big time..meaning you could mash the pedal to the floor and the truck would take forever to move.
 
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Old Apr 30, 2005 | 10:18 AM
  #8  
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Find another muffler shop if you have to pass emissions. You're looking at maybe $60-70 per cat plus labor. My local muffler shop charged $140 for a single cat system, so you should only spend about an extra $80-90 above a single cat (cost of the converter plus additional labor).
 
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Old Apr 30, 2005 | 01:38 PM
  #9  
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john72ss
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got them down to 275 for the larger single cat.with labor!
 
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