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Carburetors

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Symptoms of a Bad or Failing Carburetor
Common signs include reduced engine performance, black smoke coming from the exhaust, backfiring, overheating, or hard starting.
How Long Does an Accelerator Pump Last?
If you drive a newer vehicle, you may not be familiar with accelerator pumps. New vehicles almost invariably operate on a system of fuel injection, and the accelerator pump is a component...
How Long Does a Carburetor Last?
The carburetor combines fuel and air in the engine by using an intake vacuum supply. The air is pulled down through to the carburetor by the intake vacuum while fuel is siphoned from...
How Long Does a Fuel Return Hose Last?
Most of the older cars on the market have a carburetor that helps to disperse the fuel that is need during the combustion process. While these carburetors are very reliable, there...
How to Tune and Adjust Your Carburetor
While all modern cars use computer-controlled fuel distribution systems, there are still many vehicles on the road that employ the traditional carbureted method of fuel delivery. Before electronically controlled fuel systems were developed,...
How to Check the Choke on a Carbureted Engine
The choke is a plate in the carburetor that opens and closes to allow more or less air into the engine. Similar to the throttle, the choke plate rotates from a horizontal to...
How Does the Carburetor Work Within the Fuel System?
The carburetor is responsible for mixing gasoline and air together in just the right amounts and getting that mixture into the cylinders. Though they are not found in new cars, carburetors have delivered fuel into...
How Does the Fuel System Work in a Modern Car?
Cars have evolved a staggering amount over the last decade, and the biggest issue that manufacturers addressed with those advancements involves the amount of fuel used by the engine. Consequently, the fuel systems found...
How to Replace a Carburetor on Most Cars
A carburetor replacement involves the air cleaner, vacuum hose, car fuel line, and a number of other parts. This complex procedure varies by vehicle.
How to Buy a Good Quality Accelerator Pump
Nestled down in the carburetor’s fuel bowl is a little pump that provides extra sprays of needed fuel in situations like starting the car or passing on the highway. Fuel-injected vehicles do not need...
How to Buy a Good Quality Carburetor
Vehicles are now manufactured using a fuel injection system in order to provide the engine with the proper fuel-air mixture. Prior to the 1980s, however, carburetors performed this task. The carburetor is...
How to Buy a Good Quality Fuel Injector
Getting fuel directly to an engine is accomplished through an electronic fuel injector; with each cylinder getting its own dose of fuel which is much more efficient than the ways carburetors would...

Related questions

Question
Jeeps stalls at traffic lights - 1979 Jeep CJ5
From the description it almost sounds like an air/fuel mixture issue. Possibly caused by unmetered air being sucked in at closed throttle. The vacuum system should be checked along with the intake manifold gasket. If no leaks are obvious, a...
Question
Engine revving, backfiring, cannot accelerate past 40 mph - 1990 Chevrolet G30
The poor performance and backfiring through the intake you mention are signs of a "lean" condition - not enough fuel for the amount of air flowing through the engine. You may have a vacuum leak or Idle Air Control valve...
Question
How to set a carburetor on a big block 454? I think the carburetor is a 600 cm
Hi - As excited as most of our team would be to work on a classic, big-block 'Vette, that is not a service we can offer at this time. I would check references by other Corvette forum members on a...
Question
Truck cranks, fuel pump turns on but wont stay on for more than a couple seconds. Poured starter fluid in carburetor and it turns on for a few
Hey there. This may be some kind of fuel supply issue. When you turn the key on, the fuel pump should come on for a brief second pressurizing the system. When you turn the key, it should then maintain this...
Question
I've got a stock 350 with an edelbrock 1406 carb I just put on that I bought used. It has a dead spot in the accelerator so I chan
Hello. From what you describe it would appear that the carburetor may need to be tuned or adjusted. Every engine runs differently, so in most cases, when a new or different carburetor is installed on an engine it will need...
Question
I have 1997 isuzu kb200 carburetter type, washed the engine and the car can not start
Hello. If your vehicle will not start after you washed the engine bay then it may be possible that something may have gotten wet. The first thing I would do is check to see that there is no moisture in...
Question
Car is idling rough - 1983 Jeep CJ7
Hello. This behavior sounds like the power brake booster has a leak or rupture, which acts like an air leak to the engine. Since the brake booster vacuum is generated by the engine's air intake, their functions and potential problems...
Question
Starting problem. Shutting off
I would have the carburetor rebuilt or replaced with a rebuilt unit. Gasoline turns to gum and varnish as it ages. Most likely the float valve is gummed up, preventing gas from entering the carb and onto the engine. A...
Question
What other year carburetors will work for 93 Suzuki GSXR600
Hello. The GSXR 600 carbs were the same during 1992-1993, but changed after that between 1994-1996. I would recommend looking into purchasing carburetor rebuild kits to get your bike back on the road. If this is not an option and...
Question
Carburetor is getting gas but will not fire. New fuel pump and cleaned the carburetor twice. It will start on starter fluid but dies.
Engines that won't run are frustrating. Lets start by assuming you are getting fuel to pass through the carburetor. Next you will want to look into spark and compression. The spark may be the easiest to look into. You need...
Question
Hesitation on acceleration - 1980 Chevrolet C10 Suburban
Hi there. From the description you have provided, your vehicle's hesitation could be, the carburetor's accelerator pump not working. An easy way to identify whether the accelerator pump is working or not. Remove the air cleaner housing, engine off, open...
Question
What is the prcedure of replacing an accelerator pump on a 73 monte carlo with a 2 BBl
For a carburetor and car of this age I would not recommend just trying to install another accelerator pump in the carburetor. The fuel system in this car was not designed to work with the new fuels in use today...
Question
1968 Ford Mustang has an intermittent surge at idle
There are only two things that can cause this problem in this engine. One is the distributor timing jumping up and down due to worn out components inside the distributor. The other problem may be that the carburetor is not...
Question
I sucked a rag into my intake, how do I clean it out without pulling the whole motor apart?
Hey there. The rag may only get as far as the intake valve and not get past it yet until the valve chews it up. You should remove the carburetor and using long mechanical fingers small enough to reach into...
Question
Car will stall out at random while driving?
Hey there. While it has been some time since I worked on one of these early CCC vehicles, the first place I would look is the carburetor itself. If the vehicle idles fine but stalls or hesitates when hitting...
Question
I've got a P0507 code, what can I do?
Hi there. It sounds like the idle air control valve is stuck at the high idle position. The idle air control valve is located on the throttle body assembly and allows air to bypass the throttle plate to control the...
Question
Not getting enough fuel car will not run right. It stalls when you give it gas and stalls when it's running. It's a 1984 Ford Escort.
Hi there, thanks for writing in. Several early 80's Ford's swapped from carburetor to fuel injected engines; including your '84 Ford Escort. However, there were two different fuel systems available that year. If your Escort has the fuel injected engine,...
Question
Engine bogs down
Hello there. Many common faults will cause your 1970 Chevrolet 350 engine to bog down. The most common faults are engine running to rich, improperly adjusted throttle linkage, fuel pressure to high, or a vacuum leak. A qualified technician, such...
Question
How to stop gas leakage from going into carburetor
Hi there. The excessive fuel into the carburetor would account for not being able to drive very far and heavily smoking from the exhaust. Two things come to mind, a sunk carburetor float(s) and/or float needle & seat not sealing....
Question
car cranks but doesn't start
This engine will most likely have the old style ignition points and condenser. This type of ignition needs to be replaced every year or 12,000 miles or you will end up having no starts, hard starts or the engine may...

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