EGR Blockoff?? Effects?
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EGR Blockoff?? Effects?
Well I'm pretty sure my cat is clogged so I was just going to use a y-pipe and weld in a straight through pipe. My question is can I get rid of the EGR pipe that runs from the valve to the exhaust and block it off on the intake or will that make the truck run all sorts of crazy. It already throughs an EGR insufficent flow CE light, both the sensor and valve are newer so I'm guessing that there is a lot of crap in the intake. Am I killing two birds with one stone here or making a mess for myself??
Thanks,
Jason
Thanks,
Jason
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Originally Posted by 32MTXSHO
Well I'm pretty sure my cat is clogged so I was just going to use a y-pipe and weld in a straight through pipe. My question is can I get rid of the EGR pipe that runs from the valve to the exhaust and block it off on the intake or will that make the truck run all sorts of crazy. It already throughs an EGR insufficent flow CE light, both the sensor and valve are newer so I'm guessing that there is a lot of crap in the intake. Am I killing two birds with one stone here or making a mess for myself??
Thanks,
Jason
Thanks,
Jason
Posting Guru
Joined: Jan 2003
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From: Munroe falls, Ohio
my i gutted my rear cat, the front one already broke apart by itself and was blocking the rear cat. i gained around 1.5-2 mpg. but my rear cat was starting to melt itself shut and was black in the catylst.
i not saying that gutting a cat is a good thing, but dont remove it if theres nothing wrong with it.
i not saying that gutting a cat is a good thing, but dont remove it if theres nothing wrong with it.
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Joined: Sep 2004
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I believe Upstate New York has a mandatory safety inspection, including a visual inspection of the emission equipment. If you remove your cat and the EGR valve, it seems to me that you will fail the required annual inspection, unless you can buy off the inspector or they are so lazy they don't even open the hood.
I also have to wonder if you know the difference between the EGR valve and the Thermactor valve. The thermactor supplies air through a tube to the cat, the EGR is on the side of the intake plenum.
Pulling the EGR will affect the engine tuning significantly -- you really need a calibration for the PCM that knows the EGR is not present. The air pump can be pullled off without affecting how the engine runs, assuming that the cat is removed and that you don't care about emissions or failing inspections.
With other members bragging about their $55 Catco high-flow catalysts, why not fix your truck to run right rather than hacking it?
I also have to wonder if you know the difference between the EGR valve and the Thermactor valve. The thermactor supplies air through a tube to the cat, the EGR is on the side of the intake plenum.
Pulling the EGR will affect the engine tuning significantly -- you really need a calibration for the PCM that knows the EGR is not present. The air pump can be pullled off without affecting how the engine runs, assuming that the cat is removed and that you don't care about emissions or failing inspections.
With other members bragging about their $55 Catco high-flow catalysts, why not fix your truck to run right rather than hacking it?
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Joined: Apr 2003
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From: Heart of Dixie
Hint: The hole in the EGR gasket is about the same size as a penny. I drilled a 1/4" hole into a penny and stuck it in there (but I live in a state that doesn't inspect vehicles). I read on another board that the fuelie trucks are tuned to rely on the EGR to help lower temps and control detonation, but I can't prove that. Ford does sell a "EGR restrictor kit" for our trucks, though, if that tells you anything.
Fleet Mechanic
Joined: Jul 2004
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From: va
Egr
Check out this link around post 10. I went under Advance search (above) for egr https://www.ford-trucks.com/forums/s...4&page=1&pp=25
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