How To: DIY - Injector cleaning - Page 69 - Chevy and GMC Duramax Diesel Forum
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Old 11-02-2012, 04:28 PM   eBay Motors  #681 (permalink)
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Juss for anybody that's concerned about doing this, I Juss did this and it actually helped. My #2 injector was out of spec in park at a -4.14 after doing this I was at a -1.14. I didn't think you could bring back a negative out of spec injector but it did. Granted it cleared up the white smoke a lot but still have some because I'm almost positive I have out of spec return rates. But for anybody wondering its defiantly worth a try. I had efi hooked to it the whole time and Juss watched the injector balance rates get better
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Old 11-02-2012, 10:41 PM   eBay Motors  #682 (permalink)
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Did this cleaning a few days ago also. My truck had a bit of a rough idle to it, and it cleared it right up. I never checked the balance rates before hand but it made a huge difference in the way the engine runs. This is the second time I've done this, first time was about a year ago. This is a mandatory maintenance item if you ask me.
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Old 11-09-2012, 06:33 PM   eBay Motors  #683 (permalink)
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Has anyone tried this yet as a secondary deal, or as a routine maint deal with a different cleaner (ie, a strong mix of seafoam and diesel or some other kind of cleaner)? I do like how seafoam will help out gas motors- I just haven't noticed any difference using some in the tank and running it per instructions in my Dmax. It is a pretty good cleaner, doesn't have the alcohol a lot of other cleaners have, and cheaper and more available to most people (most dealerships in my area don't carry it- they have to order it).
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Old 11-09-2012, 06:46 PM   eBay Motors  #684 (permalink)
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Has anyone tried this yet as a secondary deal, or as a routine maint deal with a different cleaner (ie, a strong mix of seafoam and diesel or some other kind of cleaner)? I do like how seafoam will help out gas motors- I just haven't noticed any difference using some in the tank and running it per instructions in my Dmax. It is a pretty good cleaner, doesn't have the alcohol a lot of other cleaners have, and cheaper and more available to most people (most dealerships in my area don't carry it- they have to order it).

Sorry to say but Seafoam is good for cleaning gas motor but not diesels (no matter what they advertise). You'd be better off just running a strong mix of DK while doing the DIY cleaning but I still wouldn't bother doing it unless you're going to get the proper GM top end cleaner.
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Old 11-10-2012, 06:58 AM   eBay Motors  #685 (permalink)
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I wouldn't run any injector cleaner through the engine like this. There is one other product they mention in this thread but it is a lot more expensive I think. If you want to do this I think your best bet is going to be ordering through the dealer.
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Old 11-10-2012, 08:48 AM   eBay Motors  #686 (permalink)
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I wouldn't run any injector cleaner through the engine like this.
why not?
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Old 11-10-2012, 12:02 PM   eBay Motors  #687 (permalink)
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why not?
I meant seafoam or other types meant to be dumped in the fuel tank.
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Old 11-20-2012, 10:52 PM   eBay Motors  #688 (permalink)
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I just did this. Everything went well until i got ready to start her up again at the very end. When i pulled out the fuel lines to reconnect the actual lines, some diesel spilled. Well as im trying to start it up there was a small fire. I had to grab a water hose quick! Some wires burned but it doesnt look like they completely fried up. I have to check on it in the morning. Its too dark now :/
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Old 11-21-2012, 06:40 AM   eBay Motors  #689 (permalink)
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I just did this. Everything went well until i got ready to start her up again at the very end. When i pulled out the fuel lines to reconnect the actual lines, some diesel spilled. Well as im trying to start it up there was a small fire. I had to grab a water hose quick! Some wires burned but it doesnt look like they completely fried up. I have to check on it in the morning. Its too dark now :/
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Old 11-21-2012, 09:06 AM   eBay Motors  #690 (permalink)
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I just did this. Everything went well until i got ready to start her up again at the very end. When i pulled out the fuel lines to reconnect the actual lines, some diesel spilled. Well as im trying to start it up there was a small fire. I had to grab a water hose quick! Some wires burned but it doesnt look like they completely fried up. I have to check on it in the morning. Its too dark now :/

well i checked out the wires, they seem to be ok. not too much damage. primed her up and turned her on. no problem! I feel better, but i still need to look into it.
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