RE: DIY fuel pressure regulator on Blazer 4.3L CPI engine - DISCUSSION
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RE: DIY fuel pressure regulator on Blazer 4.3L CPI engi... - 3/12/2007 3:44:07 PM
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MNHawk
Posts: 451
Joined: 10/20/2006
Status: offline
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Alright, thought I would ask due to it looks like you could use O-Rings there. Might help even too, but that is GM design for you.
Anyhow, off to get a FPR and see about these fuel lines, man they are just YUCK. Already got the O-Rings that hold the lines into the injector assembly. Going to check the O-Ring for the FPR, that might be where my leak is (causing random misfire).
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74 W200 4x4 360/727/NP205 D44/D60
1981 C-20 Suburban Full Size 4x4 350 4sp manual (newest toy)
91 Honda Accord (daily Driver)
1979 Ford LGT 125
2005 JD L130
95 Blazer 4 door 4x4 4.3 lt vin W(parked selling or parting out)
93 S10 Blazer 4dr 4.
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RE: DIY fuel pressure regulator on Blazer 4.3L CPI engi... - 3/12/2007 3:46:40 PM
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20Blazer00
Posts: 862
Joined: 9/16/2005
Status: offline
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MNHawk,
You will notice a small depression in the injector bores, those are supposed to catch a similar area on the poppet to hold the injector in place. When I removed my poppets they were tight, you have to squeeze the long ears on them to get them to come out. With the new injector block the injectors have a plastic sleeve that has that same area to catch the injector bore to make it stay in place. Since I had removed my updated injector block out of a lower manifold from a 2003 G-series van these plastic sleeves were "molded" to the other bores, we had to carefully stress the "catch" area so that the injectors would stay in place... this is the reason most shops will tell you to get the new block from the dealer or through them...I could not resist since I was able to buy the complete manifold (TB, spider, upper/lower manifold, MAP sensor, Evap purge motor etc..) for less than $60.00 on e-bay, have not seen another deal like that since...
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Mark
2000 Blazer LS 4dr 4.3L Auto
1999 Grand Am 3.4L 4dr SE2 - Traded
2000 Honda Odyssey 3.5L 5dr Mini-Van
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RE: DIY fuel pressure regulator on Blazer 4.3L CPI engi... - 5/27/2008 6:58:32 AM
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kerander
Posts: 117
Joined: 1/14/2007
Status: offline
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Strangely, it appears that someone (rather sloppily) chopped off the end of the DIY article I wrote explaining the cleaning of the EGR passages accessible with the plenum off, and some other comments about checking the iac and other units. And just at the same time another diy article on cleaning the EGR, with a very similar style and content to mine popped up... kind of funny.
Anyway, I think that at least there should be either an explanation of cleaning the EGR passages (as I had included) and other related plenum modules, or a link to this info inside the article because it's highly relevant.
EDIT - It now appears at second look that someone has completely slashed the article, including the most relevant info about actually getting into the FPR, the pictures' links, what to do, etc. Umm, WTF is going on?
< Message edited by kerander -- 5/27/2008 7:10:37 AM >
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95 Blazer T-10 4.3L CPI "W" 4x4 4D 120K LT
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RE: DIY fuel pressure regulator on Blazer 4.3L CPI engi... - 8/9/2008 9:48:57 AM
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Kingswede
Posts: 19
Joined: 8/7/2008
From: Canarsie Brooklyn
Status: offline
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what happened to the rest of the thread on diy fpr? i have a 95 with this same problem and would like to have the other info but it looks like it was cut in half
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