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#1 |
Registered User
Join Date: Jan 2003
Location: Northern California
Posts: 3
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Hello,
This is my first visit to this forum. I am glad you are here. I have a question. When we drive up hill, the truck it cuts out badly. It started slowly, seeming like it was not getting fuel, but now it is getting very bad, so we can barely drive even on a flat road. It is now parked and I am getting ready to look at the carb, fuel filter, etc. I am wondering if someone could tell me a good order of approach to diagnosing the problem. I wonder if the fuel pump could be giving out, or if I have a clogged jet, etc, so I would like advice on running through all these systems in logical order. Greatly appreciate all help and advice! Dia |
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#2 |
Whats this wire for?....
Join Date: Dec 2002
Location: Barrie, Ontario, CANADA
Posts: 378
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Go in the order of expense/maintnance. Filters are cheap, so replace it first. While the line is off, turn the engine over.(hold the line in a big pop bottle) see if a lot of fuel pumps into the bottle. then if there's still a problem, get into the carburetor.
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Kyle ![]() '82 C10 Resto-Custom--> * 2 1/4" manifold back dual exhaust with Hooker Aerochambers & High Flow Cats *Taylor Ignition Wires *Centerline 15" Telstars with 32"x10" mudders |
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#3 |
Registered User
Join Date: Jan 2003
Location: Northern California
Posts: 3
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Is there a certain way I can be check the fuel pump to see if it is going out?
Thanks |
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#4 |
You get what you pay for
![]() Join Date: Dec 1999
Location: Cherryville, NC
Posts: 4,798
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First thing I would do, is replace the plugs. I'd also change the wires too, if they haven't been changed in awhile.
Cutting out under normal driving usually isn't caused by the carb. Most think it is because it's the easiest to mess with. A true cutting out/missing is ignition related.
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Mike 1985 Chevy C-10 |
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#5 |
Registered User
Join Date: Jan 2003
Location: Northern California
Posts: 3
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Ok, you are saying that I probably have spark issues? Not fuel? Like, when I drive up a hill, it acts like it is about to run out of gas, and when I push harder on the gas pedal, it gets much worse, and even stalls out if I persist. I was told it could be a distributer issue, and that goes with your suggestion, but I was also told it sounds like a fuel pump that could be pumping enough fuel to run at regular idles, but does not put out enough gas to power up a hill...hmm, I just used carb cleaner and took it for a test drive, and it seemed better, until it began to cut out again, now maybe cut out is not the right phrase, but it ceases to accelerate, then does again, then...you get it...would it help if I told you it is an S-15 V-6 engine, and I cannot get the darn fuel filter off...hmmm, new spark plugs, I hate to throw parts at it...would rather figure out a good way to check each system. I do have a volt meter, could I use that to diagnose the spark plugs, wires, etc? How?
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#6 |
pkbinplano
Join Date: Nov 2002
Location: Plano Texas
Posts: 370
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Its always good to know the condition of your plugs, cap,wires, filter ect. If you don't know or have never changed them do a complete tune up. Its about the same price as a tow truck ride home.
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http://www.picturetrail.com/gallery/...7496&members=1 84 chevy silverado aka The Bananna Boat |
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#7 |
Gentleman Jim Driver
Join Date: Nov 2002
Location: Poulsbo, WA
Posts: 1,550
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Sounds like a clogged fuel filter to me.
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Joe '75 GMC Gentleman Jim '84 Chev C10 Short Wide - Super duper plain (manual steering, manual brakes, no dome light, no cig lighter) '85 Chev C10 Short Wide - Super plain Vortec 4.8 4L60E trans also: '81 K30, '83 C30 Crew Dually, '84 M1028 CUCV, '85 M1009 CUCV, another '85 C10 SWB, '89 R3500 Flatbed |
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#8 |
Registered User
Join Date: Jul 2001
Location: Atlanta GA
Posts: 1,704
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Fuel filter.
Had that happen on both my 75 and my 79. If the fuel filter is plugged the gas just goes back to the tank. The carb runs dry. Old truck rust and crud in the tanke comes loose on occasion or you fill up at a station that just had a fuel drop off and their tank is full of crud. Rule with gas stations. New parking lot new tanks. Old parking lot old tanks for sure.
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Grim-Reaper 70 Pontiac LeMans Sport Convertible, worlds longest resto in progress Looking for 71-72 2wd Blazer or Jimmy Project |
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