Question about Ford Ranger

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Ranger carburetor starts up but will not accelerate well and engine shuts off. Truck was not driven for five years. Carburetor was replaced 6-7 years ago. Perhaps float is stuck.

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There are many possible issues and you might just work your way through until you find the problem. First off, if there is any old gas in the tank, you need to drain it and dispose of it properly. If possible, check for "dirt" in the old gas and rust inside the tank (unless it is plastic). You might replace or at least check the spark plugs.
A vehicle that sits could have gummed up gas in the carb bowl or some of the small holes. A stuck float or choke could result from this. The first thing I would do is take a look at the fuel filter, fuel pressure, check for a rusty tank, check for cracked fuel lines, be sure linkages are free, that the choke closes, etc. Without enough gas, it won't run for very long.
If all that looks OK, I would get some Seafoam and clean up the inside of the carb venturi and get as much flowing through the fuel lines to get inside of the carb to clean things out.
Carburated cars had accellerator pumps that squirted gas directly into the barrel of the carb. Remove the air filter in order to see down the carb (a friend to observe would be helpful) and step on the gas pedal once or twice to see if gas gets squirted into the carb. DO NOT try to start it while pumping on the gas, a backfire could happen and possibly catch things on fire!!! Do not try to start the engine without the air filter screwed securely in place, same chance of backfire. If no gas is seen or smelled, you might need to replace that part of the carb.
With proper fuel delivery, good compression and good spark at the correct time, you should be off and running. Good luck

Posted on Jan 03, 2014

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Runs that rough after sitting 5 years? Don't even second guess it: get a rebuild kit to replace all gaskets and rubber parts. 2 or 3 cans of carb cleaner to really clean it well and all passages in the casting. Don't bother with the carburetor dip-it's been so sanitized and leaned out with all the regulations, doesn't do as good a job as it used to. Aerosol cans of carb cleaner with the tiny tubes for cleaning out those little passages.
Start off with a known good carburetor. Use fresh gas, too.

Posted on Jan 03, 2014


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