Predator 4375 Generator Problems : 5 Common Issues (Explained)

The Predator 4375 generator is one of the many generator models out there. It is a robust generator that comes highly recommended. We have to look at possible problems with the Predator 4375 generator. This will help you have a balanced perspective on it.

Table of Contents

What Is The Predator 4375 Generator?

The Predator 4375 generator is a gas-powered portable generator. Its starting watts are 4375W and its running watts are 3500W. The Predator 4375 generator also has GFCI outlets. GFCI stands for ground fault circuit interrupter. It is a feature where within a fraction of a second power is shut off when there is a ground fault. The Predator 4375 generator can power up things like air conditioners of RVs along with other associated elements. It is a good generator but some problems may occur.

Predator 4375 Generator Problems

As with any gas-powered generator problems do occur. Personal experiences will vary since users use and handle generators differently. For the Predator 4375 generator these are some of the common problems:

1. Engine Will Not Start

It is quite common for your Predator 4375 generator to at times not start. It is usually easy to diagnose the issue. Possible causes are:

  • Low, contaminated, wrong, or no fuel.
  • Choke may be off.
  • Fuel passageways may be dirty or clogged.
  • Fuel filter could be dirty, leaking, or worn out.
  • Carburettor may be faulty or damaged.

Troubleshooting Engine Not Starting Problem

When your Predator 4375 generator does not start, so many things can be at play. It is essential that you conduct thorough checks. Some of the solutions you can explore are:

  • Ensure fuel is correct, clean, and adequate.
  • Ensure choke is ON.
  • Clean or replace fuel lines.
  • Clean or replace fuel filter.
  • Fix, clean, or replace carburettor.

2. Engine Cuts Off When Running

The Predator 4375 generator may occasionally cut off when running. A fair number of users often experience this problem. This may be due to:

  • Oil level may be too low.
  • Inadequate or contaminated fuel.
  • Fuel tank cap may be damaged.
  • Spark plug cap may be out of place.

Troubleshooting Engine Cuts Off When Running Problem

This is a problem that is usually tied to the fuel system. You should check that first and then other areas. The solutions to try out are as follows:

  • Ensure engine oil is at the appropriate level.
  • Ensure fuel is the correct one and it is adequate.
  • Fix or replace fuel tank cap to eliminate a disruptive vacuum.
  • Fix spark plug cap alignment or replace it.

3. Engine Misfiring

A number of Predator 4375 generator owners usually report that the engine misfires. This is a problem you may likely experience sometimes. The probable causes are:

  • Compression may be wrong.
  • Incorrect, dirty, or inadequate fuel.
  • Damaged spark plugs.
  • Incorrect spark plug gap.
  • Spark plug cap may be too loose.

Troubleshooting Engine Misfiring Problem

Spark plug dynamics are a major factor in this problem. Then of course other aspects may be responsible. Upon making thorough checks you can explore the following options:

  • Correct the compression.
  • Use appropriate fuel and ensure it is enough.
  • Correct the spark plug gap.
  • Replace damaged spark plugs.

4. Generator Keeps Tripping Breaker

This is yet another Predator 4375 generator problem you may face. This can be a perplexing problem given the inconvenience it brings. The probable causes are:

  • Generator’s circuit breaker may be faulty.
  • Ground fault circuit interrupter (GFCI) may be faulty.
  • Switch may be faulty.

Troubleshooting Generator Keep Tripping Breaker Problem

This problem can be caused by a web of possible issues. It is vital that you be thorough in your checks. At times there truly may be valid issues triggering the tripping. As in, the generator may not be faulty at all. Here are the solutions to explore:

  • Fix or replace GFCI receptacle.
  • Fix or replace damaged cords or cables.
  • Fix or replace circuit breaker.

5. Overheating

You may experience an overheating problem with your Predator 4375 generator. Conduct some checks to figure out the root cause. Some possible causes are:

  • Air filter may be blocked.
  • Oil levels may be too low.
  • Coolant may be inadequate or leaking.
  • Air vents may be blocked.
  • Environment generator is in may be too hot.

Troubleshooting Overheating Problem

This is a problem mostly stemming from air flow dynamics. Other aspects such as weather can also contribute. You can address this problem by:

  • Cleaning or replacing the air filter.
  • Topping up or replacing oils.
  • Topping up coolant and or plugging leaks.
  • Ensure air vents are not blocked.
  • Operate generator in a cool environment or periodically switch it off to cool off.

How To Avoid Predator 4375 Generator Problems

Getting a brand new Predator 4375 generator helps you in avoiding problems. Be it brand new or pre-loved, it all boils down to handling and care. Inspect your Predator 4375 generator thoroughly before every use. Regularly clean it as well. Get it periodically serviced. Replace and keep at optimum levels things like fuel and oils. Using the recommended fuel and oils is central to avoiding problems too. Always be quick to replace worn out components. Lubrication where necessary is important. All of this goes a long way in avoiding Predator 4375 generator problems.

How Long Will A Predator 4375 Generator Run?

The Predator 4375 Generator has a 6.5 HP air-cooled OHV gas engine. Its fuel capacity stands at 4.8 gallons. It can run for as long as 16 hours; that is on 50 percent load. The Predator 4375 generator’s average fuel consumption is 0.3 gallons per hour.

How Often Should I Run My Predator Generator During Offseason?

When you are barely ever using your generator; that is what is referred to as offseason. You must, every 30 days run it just for a few minutes. This will keep core engine components optimally operational. It is an important maintenance routine for your Predator 4375 generator.


Your Predator 4375 generator is gas-powered. This makes your generator susceptible to wear and tear. A strict usage and care routine for your Predator 4375 generator is imperative. The Predator 4375 generator is a good generator and it is even better when you maintain it well.