EGR issues
Postmaster
Joined: Sep 2005
Posts: 2,725
Likes: 3
From: Florence,SC
are you removing the tuner when you go to the dealer? quit idling so much. thats about as bad as running out of fuel. that will shorten the life of this truck and your wallet along with your happiness.
New User
Joined: Sep 2004
Posts: 24
Likes: 0
From: South Carolina
My truck is an '06 but the manufacture date is 9/21/05. Does this mean my check engine light will come on if I unplug? I thought it was just CA models that did that. Mine only smokes when I step on it.
Laughing Gas
Joined: Apr 2005
Posts: 858
Likes: 0
From: VA
Wizz......your light WILL come on. I have an '06 also. If I'm not mistaken, all trucks that are '06 models are 50 state emmission. I unplugged my EGR on mine (my trucks build date is 11/17/05) and the light came on. I didn't get a chance to see if it made any difference in performance as that light annoyed me to the point I just plugged it back in. I'll just wait till I get my SCT and then solve that little EGR problem.
Thread Starter
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New User
Joined: Oct 2006
Posts: 11
Likes: 0
Originally Posted by tigertank
my 05 with 36000 has beenblowing black smoke like crazy and feels like its not going to accel. but not all the time happens alot after i idle alot...how do u unplug the egr my bullydog says codes po404 and uo or vo407 but dealer cant find any codes help please
check out this site, and after locating the egr, pull the wire connector and your set
New User
Joined: Jan 2005
Posts: 23
Likes: 0
egr & check engine light
On 05 ex with 6.0 I unplugged the value and the check engine light came on . I disconnected the batteries The light stays off for the first start then it back on again. Any help would be appreciated
Hotshot
Joined: Dec 2003
Posts: 15,369
Likes: 121
From: Stuttgart, Ar
Originally Posted by seedguy
Someone surely has an annswer to make the engine light go out on 05 with EGR valve unplugged.. What wires to cutt what two to hook together ????
Tigertank---are you clearing your codes with your Bullydog before you take it in??? it may not recure immediately. If your check engine light is on then there must be a code to have set it. I'm not a bullydog fan or owner, so I can't comment on their product or it's accuracy. I do know they are EGR codes though.
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New User
Joined: Sep 2006
Posts: 9
Likes: 0
thanks for the replys first i idlebecause in the construction field i need my lights and radios on plus i constantly move also i dont pay 4 the fuel next i dont clear the codes but no ck engine ever comes on thats whats confusing...
Postmaster
Joined: Dec 2003
Posts: 4,196
Likes: 10
From: Arizona
tigertank,
As BTH has said idling these trucks for long periods is hard on the EGR and engine do to the emission control strategy. If you must idle for long periods (more than 5 minutes) then you need to do the High Idle Mod to help prevent some of the problems that long term idling can cause.
It sounds like you may have a bad EGR valve, the only way to find out is have the dealer check the truck. BTW if you are removing the tuner before you go to the dealer or disconnecting the battery cables this will cause problems for the dealer to be able to locate some of the codes and/or accurately trouble shoot the problem.
Hope this helps
As BTH has said idling these trucks for long periods is hard on the EGR and engine do to the emission control strategy. If you must idle for long periods (more than 5 minutes) then you need to do the High Idle Mod to help prevent some of the problems that long term idling can cause.
It sounds like you may have a bad EGR valve, the only way to find out is have the dealer check the truck. BTW if you are removing the tuner before you go to the dealer or disconnecting the battery cables this will cause problems for the dealer to be able to locate some of the codes and/or accurately trouble shoot the problem.
Hope this helps
Senior User
Joined: May 2006
Posts: 410
Likes: 0
What does excessive idling do exactly? Clog the EGR? Any other issues as a result of idling too much? What is considered idling too much?
Also, if the EGR was unplugged and was working when unplugged, are the idling issues a non-issue?
Also, if the EGR was unplugged and was working when unplugged, are the idling issues a non-issue?
Laughing Gas
Joined: Apr 2005
Posts: 858
Likes: 0
From: VA
Speaking of the High Idle......
Lot's of people talk of doing this High Idle Mod. I've got an '06 that when I have it in park, the brake is set the truck idles up on it's own after about 2 minutes. when I release the brake, touch the accelerator or the brake pedal it drops back down to the normal idle. Is this the same as the High Idle Mod or are the two different? If so could someone explain it to me.
Elder User
Joined: Apr 2004
Posts: 890
Likes: 1
From: Douglas County, GA
Originally Posted by WilliesSD250
Lot's of people talk of doing this High Idle Mod. I've got an '06 that when I have it in park, the brake is set the truck idles up on it's own after about 2 minutes. when I release the brake, touch the accelerator or the brake pedal it drops back down to the normal idle. Is this the same as the High Idle Mod or are the two different? If so could someone explain it to me.
The one you hear everyone else talking about brings the engine up higher, to 1200 RPMs. There is also one more high-idle mod that allows the idle to adjust itself based on charging need/draw. I believe that one allows it to fluctuate from 1200 to 2400, based on need. These last two mods are listed in detail (along with instructions for making the mod), in the tech folder. The tech folders are off-line for a little while, but they'll be back.
Last edited by F250tuff; Nov 6, 2006 at 08:12 PM.
Postmaster
Joined: Dec 2003
Posts: 4,196
Likes: 10
From: Arizona
Originally Posted by badbrad60
What does excessive idling do exactly? Clog the EGR? Any other issues as a result of idling too much? What is considered idling too much?
Also, if the EGR was unplugged and was working when unplugged, are the idling issues a non-issue?
Also, if the EGR was unplugged and was working when unplugged, are the idling issues a non-issue?
The EGR valve can still be clogged with deposits when it is unhooked.
Excessive idling wastes fuel at a rate of 1/2 to 1 gallon per hour.
Extended idling is illegal in many towns, cities and municipalities do to excessive noise and pollution.
Hope this helps