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06-01-2011, 04:31 PM
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#1 |
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Registered User
Join Date: Jun 2010
Location: Jefferson, MD
Posts: 2,397
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Is my fuel pump going bad?
So I was hauling a load of hay (about 9000lbs) behind my '87 GMC 1500 yesterday from one farm to another and the first of four hills on the way, the truck practically died. It just sounded nasty, sputtering and backfiring...almost like I had no fuel going to it. I crawl to the top of the hill, the truck comes back to life. This happens the whole way up to the farm, at which point I retired the truck for the evening and started with my dad's '08. Does this seem like symptoms of a bad fuel pump? I just replaced the left side gas tank about 3 months ago, so I don't think the fuel line is plugged or anything. The truck drives fine without any load. I've got a new fuel filter, as well as new plugs and wires, all done within the last 2 months. Any advice?
Thanks.
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'68 Dodge Dart 270, 225, 904, 2.76--"Lucy" 1996 Gmc 1500 Z71, 350, 4l60e, 3.73s 1995 Jeep Wrangler Rio Grande 2.5, AX5, 4.10s 1989 Toyota Pickup 22re, auto, 3.73 |
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06-01-2011, 04:41 PM
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#2 |
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Semper Fi!!!
Join Date: Aug 2010
Location: Sherrills Ford, North Carolina
Posts: 971
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Re: Is my fuel pump going bad?
could be, mine bogged and didnt respond to the gas pedal, i would just change it if i where u, better now then when ur hauling something ya know
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Brandon... "IT ONLY TAKES EVERYTHING YOU GOT!!" Semper Fi 
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06-01-2011, 10:05 PM
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#3 |
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Registered User
Join Date: May 2007
Location: East Haven, CT
Posts: 882
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Re: Is my fuel pump going bad?
Hard to say. Check fuel pressure to verify the pump is not weak. Usually, atleast for me, these pumps either work.... or they just go, immediately, and when you are far from home.
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87 Chevy 2wd SWB: 305/700r4 Dual Exhaust, K&N Filter, Injector Pod Spacer, TBI Spacer, Belltech Front Sway Bar, Corvette Servo, Western Chassis 4/6 and c-notch |
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06-01-2011, 10:20 PM
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#4 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,316
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Re: Is my fuel pump going bad?
i tend to agree with chevymotocross in my experience they work or they dont. that is not to say you dont have a fuel issue tho.. check the pressure at the injector as well as the pump pressure
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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!! Last edited by old Rusty C10; 06-01-2011 at 10:21 PM. |
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06-01-2011, 10:39 PM
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#5 |
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God is good!
Join Date: Sep 2010
Location: Texas
Posts: 689
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Re: Is my fuel pump going bad?
Yeah, I agree on the 2 above comments. I've only had them go bad suddenly, and you know right away because the engine will just starve. I've always used glass filters near the carb so that you can see the fuel going into the carb.
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Mando "It takes a smart man to know when he's stupid." -- Barney Rubble My build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=430367 |
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