jjrbus Posted May 31, 2018 Share Posted May 31, 2018 I'll be sitting waiting for parts for a week and the intake manifold is laying on my bench. Looking at the EGR pipe that goes into it there must be a bunch of crud in there. Is it practicle to clean the inside at home and if so using what? A web search shows mostly cleaning outside of manifold. Quote Link to comment Share on other sites More sharing options...
DanAatTheCape Posted May 31, 2018 Share Posted May 31, 2018 mine was worse then yours - I had limped back from Colorado with a knock sensor code. I took about 3 cans of cheap carb cleaner - with the egr pipe out, I just washed it down - over and over - a lot of carbon came out. I think I reached in there with something like a scotch pad and swished it around a bit. Ditto for the pipe. Quote Link to comment Share on other sites More sharing options...
Maineah Posted May 31, 2018 Share Posted May 31, 2018 I have actually had to set fire to early GM 350 diesels manifolds to get the EGR crud out of them. Quote Link to comment Share on other sites More sharing options...
jjrbus Posted June 1, 2018 Author Share Posted June 1, 2018 15 hours ago, Maineah said: I have actually had to set fire to early GM 350 diesels manifolds to get the EGR crud out of them. I watched a video on that, bit more than I want to do. Quote Link to comment Share on other sites More sharing options...
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