Fuel Problems - Wont start
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Fuel Problems - Wont start - 10/13/2007 6:08:56 PM
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AdamM
Posts: 11
Joined: 10/15/2006
Status: offline
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96 Blazer 4door 2WD
Okay.. my Blazer ran fine for about 3 months. It started having trouble cranking in the morning, only when it has sat overnight. It would usually stall about once, and then start up and idle to about 3 RPMs for about 3 seconds without pressing the gas. It started getting worse, it would stall about 2 times, then 3, and then it finally stopped cranking at all.
To make sure this was a fuel problem, I poured gas in the carburetor (guessing that's it, where the Vortec connects to the middle where the throttle is) and it cranked! After it ran that little bit I poured in there it ran for a little while without touching the gas. I bought some fuel system cleaner and poured it in. It was running fine. I let it sit overnight and tried to crank it this morning but it would not crank. Now when you pour gas in it, it cranks, but then stalls. It also backfired once. Filter, Pump, Hoses? Oh no!
I'm going to take it to my mechanic tomorrow, but I was wondering if by telling you all this you could possibly narrow down the problem and save me a little bit of cash. 
Thanks for any help you could give me!
< Message edited by AdamM -- 10/13/2007 6:09:40 PM >
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RE: Fuel Problems - Wont start - 10/13/2007 6:14:29 PM
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thegr81
Posts: 2639
Joined: 1/16/2007
From: PHOENIX,AZ
Status: offline
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sounds like fuel delivery is the issue check the fuel pump pressure its putting out it might just be that its going out also check the fuel filter as well cause if that is clogged then it will restrict your fuel pressure.
_____________________________
2001 2wd 4.3 vortec v6
"I'm not fat, I'm a minitrucker"
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RE: Fuel Problems - Wont start - 10/14/2007 9:52:20 AM
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BigGreenMonster
Posts: 401
Joined: 8/11/2006
Status: offline
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Is the 96 the CPI? You know theres a service bulletin on them.. They fail, quite habitually.They run about 350 bucks from Autozone. Again, I'm not sure if yours is the CPI. Basically they had one big fuel injector as opposed to several smaller ones They are easy enough to replace if you don't mind getting a little dirty. Also could be a fuel pump, GM trucks are not well known for ideal pumps. Sell at least 3 a week in le zona De auto.
< Message edited by BigGreenMonster -- 10/14/2007 9:56:40 AM >
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Don't tase me, bro!!!!!!!!
94 Blazer Tahoe w/ Vortec CPI- Flowmaster 40 series
'97 30th Anniversary Mercury Cougar XR-7
4.6 Modular V8 (no major modifications)
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