I asked GDE about cleaning intake after tuning at 45000 miles They said to get any benefit would need to tear down the motor, not just remove/clean the intake. Also no additives other than anti-jell. Chemical cleaning of the intake runs the soot into the combustion chamber and then a bigger problem than before. GDE is as expert as you can get, so I'll take their advice.

 

Didn't see this posted so here goes.
It's important to note this isn't a problem with just diesel engines. Yes they are worse for it due to higher particulate nature of diesel, it's a problem with all direct injection system and the quest for high MPG. Fuel was sprayed into the carbs back in the day followed by multi port fuel injection. Since gas is a good solvent it would keep the intake clean.

Only way to truly clean the plumbing is getting down and dirty with it. In the car world they do walnut blasting to clean out the intake runners so it it doesn't need to be completely taken apart. From the pics I saw of these ecodiesel motors it looks fairly accessible. Once it's clean there are a number of options. You can block EGR function to keep it to just a fine mist of fuel and oil blow by or add water/meth injection to keep it nice and pretty.

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never got back to anyone on here. provent 200 will throw a code. I had john from raw performance retune the engine and delete the code. dont be worried about the catch can freezing and blowing seals. the catch can also has a blow off valve at the top to release pressure if need be. I live in -40c (-40F) weather and I left my truck off for a week straight. no issues. you should see how much oil this catch can catches. Im just coming up to 200,000 km and ive had the catch can since about 90. hightly recommend.

 

My truck has been in the shop for nearly two months.

They replaced the intake manifold last Wednesday. Here is what it looks like at 92,000 miles....




UGGGHHH.....getting these pictures to post is a study in frustration for me.

 

Look like time to install a water injection system to prevent carbon build up again or get a tune

 

GDE Tune will be here Tuesday. Still have another code though that I would like the dealer to take care of first, but we shall see.

 

ha ha you can guarantee its plugging itself to death as you drive it I cant afford to trade mine I like it but its a pc of junk

 

It is not a piece of junk. It has problems due to the EPA requirements. If you think this is the only vehicle that has these issues or will have these issues (with Ford and GM coming out now with their diesels) you are sorely mistaken. Reference the Navistar debacle and the companies that have, and are, suing Navistar over their engines.

After they installed a new intake on mine and I put a GDE tune on it it has been running fine. Sounds like you need to go back to gas because diesel is not for you, unless you are one of these guys that likes to roll coal, which based on your posts, wouldn't surprise me.

 

ripped apart intake

plastic shit that you depend on junk junk **** this design

computer board inside the intake to operate this piece of shit

 

Wonder what other diesels with similar miles look like

 

107,000 miles now. No issues whatsoever after the GDE tune.

 

Pretty much every manufacturer are having this issues with diesel now. The epa is strangeling diesel engines. Ever since the first egr cooler and dpf filter was installed you can find a forum with people doing the same bitching about issues you see here.

 

Does the EGR come from before or after the DPF? Seems like there'd be a lot less soot of it was after. The whole goal of EGR is to reduce combustion temps, that would be achieved even better if the source was behind the DPF.

 

Can be from either. I believe jaguar or some other import diesel used a post DPF egr source. I also believe the new GM is using a post DPF source for EGR. This means the EGR gas going into the intake would be as clean as what is coming out your tailpipe. I don't know about the rest of you, but I have over 70,000 miles on my ecodiesel and the tail pipe is clean tarnished stainless steel on the inside. Wish my intake looked the same but I don't believe it does.

 

The tail pipe should remain clean indefinitely. If it ever gets sooty, you know your DPF is cracked. My mk6 TDI Jetta's tailpipe used to be shiny and clean until I moved to an apartment in S Florida, which felt the need to put no less than 8 speed bumps between the entrance and my parking space. After 2 months of that dumb sh!t, the dpf cracked and tailpipe went black. They still bought it back like that.

 

Sooty exhaust tips might be a cracked dpf or in my case for first 36k miles of stock tune made my tips look like Sh!t. GDE tune at 36k miles and cleaned tips at same time and they are still spotless at 80k miles. GDE said it before.. "Stock tune is as dirty as coal powered locomotive" and this fact is 100 percent confirmed for me.

I will not own another diesel which GDE dont have a tune for. My cousin has a sister truck to my ecod minus the GDE and he just had his intake replaced due to swirl valve code at 60k.. Where as mine continues to impress every day. Buy a tunable diesel and have the balls to tune them. Otherwise don't buy em.

 

Opened up EGR. Completely clogged after 90000 km. I guess ya just replace after 60000 km automatically. 60000 is when my truck started to go to limp mode. This is only if you want to keep truck legal and can take to dealership. Looks like rad fins and when held to the light only can see 2 pinholes. The stuff that is on it is like a rock. Very very hard.

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That hardened soot aint just soot... Bet you the cooler has a very minor coolant leak.. Mixing soot with coolant makes this hardened crap. I am hoping you are going to yank that cooler out and throw it in metal bin. Tune it and call it a day. These motors arent crap. Egr is the real culprit here.

 

looks like a delicious espresso with crema on top, it's too early to be reading these forums!! Need coffee!!