How many ounces of gas does a mechanical fuel pump push?
If the mechanical pump is working correctly, it will push four to six ounces of gas into the bottle. Most mechanical fuel pumps have a weep hole on the bottom of the unit.
Who is the best mechanic to fix a fuel pump?
Mark Gittelman is an ASE-certified master technician with over three decades of experience in the auto repair field. The standard mechanical fuel pump found in classic cars is very reliable.
How old is the fuel pump in a classic car?
This is one of the more common fuel pump problems found in classic cars that are between 30 and 60 years old. Another common place for a fuel leak to develop is in the rubber hose and metal tube that leads from the tank to the fuel pump.
What should the pressure be on a fuel pump?
On classic cars with mechanical style fuel pumps, however, the pressure is much lower—between four and six PSI. If you suspect that your fuel pump is not producing enough pressure, there are two tests you can perform. The first is a simple pressure output test.
What kind of fuel pump do you use?
Mechanical pumps are usually found in cars that use carburetors, and electronic pumps are usually used with fuel injection systems. Since mechanical pumps are driven directly by the motion of the engine and contain few moving parts, they tend to be reliable and relatively easy to diagnose and fix.
Which is a symptom of a fuel pump problem?
Another symptom of a problem with the fuel pump is engine performance issues. As the fuel pump is what supplies the vehicle with the fuel required for combustion to occur, any issues with it can affect the engine’s fuel supply and cause issues.
This is one of the more common fuel pump problems found in classic cars that are between 30 and 60 years old. Another common place for a fuel leak to develop is in the rubber hose and metal tube that leads from the tank to the fuel pump.
If the mechanical pump is working correctly, it will push four to six ounces of gas into the bottle. Most mechanical fuel pumps have a weep hole on the bottom of the unit.