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08-06-2010, 09:32 PM
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#1 |
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Registered User
Join Date: Jul 2010
Location: Houston, Texas
Posts: 44
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Need Help!!
Hey everyone im new here and got a problem with my 87 c10 and cant seem to figure it out :/
I got a 350 TBI and it seems like fuel isnt reachin the fuel injectors. We changed the fuel pump about 3 times and only once it ran for about 20 minutes and died. We also changed the throttle body, injectors, and fuel filter but still same problem. Anybody have an idea on what it could be??? thanks for the help |
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08-06-2010, 10:05 PM
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#2 |
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Registered User
Join Date: Jul 2010
Location: Houston, Texas
Posts: 44
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Re: Need Help!!
anyone???
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08-06-2010, 10:18 PM
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#3 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,310
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Re: Need Help!!
get a pressure tester and see wht the pressure at the injectors is
__________________
Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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08-06-2010, 10:31 PM
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#4 |
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Registered User
Join Date: Mar 2009
Location: Warsaw, IN
Posts: 93
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Re: Need Help!!
I agree, check the pressure. Without a pressure check, are you even certain it is a fuel issue? If it is, it could be as simple as a clogged line, or ???? I have replaced many parts in the past that didn't need replacing, just because I assumed I knew what the problem was. I hope, for your sake, this is not the case, but tools like a $17 Autozone vacuum/fuel pressure gauge can save you from unnecessarily spending 20x more.
Last edited by cor86; 08-06-2010 at 10:35 PM. |
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08-06-2010, 10:37 PM
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#5 |
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Registered User
Join Date: Jul 2010
Location: Houston, Texas
Posts: 44
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Re: Need Help!!
well i was thinkin i have two gas tanks so do they run the same fuel lines??? because if they run different fuel lines wat are the chances of both of them being clogged
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08-07-2010, 12:11 AM
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#6 |
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Registered User
Join Date: Jun 2010
Location: niagara, ontario
Posts: 109
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Re: Need Help!!
on TBI trucks there is a fuel line from each tank that goes to a control unit under the cab that has an electric box which connects to the switch on your dash for pass/driver tank this box switches the power from left fuel pump to right(or vica-versa)and switches a valve inside as well. after the box there is one supply line that runs to the filter and then to the throttle body and then a return line
I have never heard of it happening but i can easily see how the control box could malfunction and leave you with niether left nor right fuel tank supply and thus no fuel at the motor Hope this helps 
__________________
1991 V3500 350TBI/4l80/205 D60/14bff - Crew long 1987 IrocZ-28 525 horse/567 Lb Tq 383 1976 K30 on 39.5s One wheel drive thanks to a np203  and some K5's lol |
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08-07-2010, 01:52 AM
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#7 | |
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Registered User
Join Date: Jul 2010
Location: Tacoma, WA
Posts: 69
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Re: Need Help!!
Quote:
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08-07-2010, 01:53 AM
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#8 |
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Registered User
Join Date: Jul 2010
Location: Houston, Texas
Posts: 44
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Re: Need Help!!
hmm... wheres the control box at?? they were also tellin me that it could be the computer or sumthing electric is dat possible?? we already changed the fuel filter so i doubt it wuld be that
Last edited by 87oldie; 08-07-2010 at 01:54 AM. |
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08-07-2010, 09:44 AM
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#9 |
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Robert Olson Transport
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,310
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Re: Need Help!!
chances are that if it was something the computer controls you would have a check engine light on... ig the computer itself was fubar it could not....again check pressure first.. clogged injector or filler tube... improper switching with the dual tanks either in the switch or the valve.. there are thousands of things it could be
__________________
Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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08-07-2010, 01:31 PM
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#10 |
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Registered User
Join Date: Jul 2010
Location: Houston, Texas
Posts: 44
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Re: Need Help!!
hmm need to check all these things out. thanks for the help everybody
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