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Old 10-12-2017, 12:49 PM   #13
irhunter
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Join Date: Jun 2014
Location: Greenville, Maine
Posts: 12
Re: '05 2500HD 6.0 AT 4x4 common issues

Quote:
Originally Posted by edhtrd71 View Post
Its what the 95-2000 5.7 vortec used for fuel injection. CSFI, on a bench it looks like a spider. They can be a real pain in the butt some times. They clog easily and need a lot more fuel pressure to start than everything else. Most don't need replacing as they usually just clog. There is a kit to run compressed nitrogen to them at high pressure and then turn them on with a scan tool. Some will pop right open but some can be quite tough to get flowing again. There is a kit to replace the whole setup with a more typical style injector.
Thanks. Here is another explanation, with some pics:

http://www.theautoshop.net/VortecMPFI.htm
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