Ranger Bogging Down Catalytic Converter??? - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 01-07-2012
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Ranger Bogging Down Catalytic Converter???

My 95 Ranger has been bogging down as of late. It acts like its smothered or something. Reminds me of like a lawn mower or something! You give it gas and it coughs and bottoms out especially on take off and on hills. Is this probably a catalytic converter issue? It's never been replaced.
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Old 01-07-2012
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Definitely a possibility. My derby Ranger had that problem last spring... as soon as I cut it off the truck ran like brand new!
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Old 01-07-2012
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Get the sawzall out! That would be my guess.
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Old 01-07-2012
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So I know it's part of the muffler system. Where do I cut? Also I know that it's quote unquote an environmental issue, but I don't give a dang I just want it to run better!
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Old 01-08-2012
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Originally Posted by FULLSCALE View Post
Definitely a possibility. My derby Ranger had that problem last spring... as soon as I cut it off the truck ran like brand new!
I wish I could cut my cats off, they make the exhaust sound like a whistle at wide open throttle, but we have very strict emissions laws here

Another possibility of a bogging issue can be the MAF sensor, if it is reading incorrectly, the fuel mix will not be correct causing either a too rich or too lean mixture, thus bogging
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Old 01-08-2012
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well if you need to replace them do not go with the Eastern Catalyst Converters they are junk and don't stand behind there product.
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Old 01-08-2012
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Punch out the cat lol
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Old 01-08-2012
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Cat, egr, maf, fuel filter, air filter, ignition incl. coil wires plugs...
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Old 01-08-2012
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Originally Posted by patkelly1336 View Post
I wish I could cut my cats off, they make the exhaust sound like a whistle at wide open throttle, but we have very strict emissions laws here

Another possibility of a bogging issue can be the MAF sensor, if it is reading incorrectly, the fuel mix will not be correct causing either a too rich or too lean mixture, thus bogging
We do here as well... the truck I cut them off wasn't on the road. It was only for a demo derby!
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Old 01-08-2012
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I'd do a full tune up and some seafoam? That should help alot.

-plugs
-wires
-clean maf, throttle body and IAC
-fuel filter
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