Generac GP2200i Won’t Start: Causes And Troubleshooting Guide

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Have you tried to start your Generac GP2200i portable generator but failed to start and you need the generator instantly to run some appliances or outdoor activities? 

I know it can be frustrating and worrisome, especially if you rely on it for backup power during emergencies or some of your outdoor activities. 

Hopefully, it’s good you know that you aren’t alone in this issue. Many other clients have also complained about the same issue before deciding to write a blog post on the topic.

Hence, in this blog post, I’ll be exploring the common reasons why your Generac GP2200i won’t start and provide you with troubleshooting steps to get it up and running again to power your appliances or outdoor activities instantly.

But know that, if you have tried all steps outlined in this blog post, you have no choice but to call for professional assistance. In the meantime, try to identify the root cause and attempt some basic troubleshooting steps.

“Trouble with your Generac gP2200i generator? Get expert personalized troubleshooting tips tailored for you alone directly to your email. Contact us now for reliable support and practical solutions. Let’s fix it together – reach out today!”

Common Reasons for Generac GP2200i Not Starting

Generac GP2200i Won't Start,

So, to know what might cause your generator not to start, here are some of the common reasons you should watch out for.

1. Fuel Issues

One of the most common reasons behind a Generac GP2200i and every other generator not starting is fuel-related problems. 

If the generator has been sitting idle for an extended period or if you haven’t used fresh fuel, it can lead to fuel deterioration or clogged carburetors.

Stale fuel or debris in the carburetor can restrict the fuel flow, preventing the engine from starting.

Also Read:- How to Stop Fuel Leaking from Carburetor in 8 Steps + Video

2. Ignition System Problems

Another reason is issues with the ignition system, which can as well prevent your Generac GP2200i from starting. 

In cases like this, faulty spark plugs, a malfunctioning ignition coil, or a damaged spark arrestor can disrupt the ignition process, causing a no-start situation. 

Without a spark, the engine won’t ignite the fuel mixture, rendering the generator inoperable.

3. Battery-related Problems

If your Generac GP2200i has an electric start feature, a weak or discharged battery can hinder the starting process. 

If you aren’t using the generator’s battery for a while, over time, the battery can lose its charge or become damaged, preventing the generator from starting. 

Additionally, loose or corroded battery connections can also interfere with the electrical circuit and inhibit the generator from firing up.

After knowing some of the reasons that might cause your generator not to start, let’s talk about the troubleshooting methods. 

How to Troubleshoot a Generac GP2200i Not Starting 

To troubleshoot the starting issue with your Generac GP2200i, follow these steps:

Step 1. Checking the Fuel Level and Quality

Start by ensuring that the generator has an adequate and quality fuel level. If you check the fuel level and it’s low, add fresh gasoline while taking care not to overfill it. 

Additionally, if the fuel appears stale or contaminated, drain the old fuel and replace it with fresh fuel. This step will eliminate any potential fuel-related problems.

Step 2. Verifying the Ignition System

After you have fixed all issues with fuel-related issues, inspect the spark plug for signs of wear or damage. 

If necessary, clean or replace it following the manufacturer’s instructions. Check the ignition coil and spark arrestor for any issues as well. Ensure the spark plug wire is securely connected to the spark plug. 

By addressing potential ignition system problems, you increase the chances of a successful start.

Step 3. Inspecting the Battery and Connections

If you are using a Generac GP2200i that has a battery, check its charge level. If it’s low, recharge or replace it as needed. 

Examine the battery terminals for corrosion or lose connections. Clean the terminals and ensure they are tightly connected. 

A fully charged and properly connected battery is crucial for the electric start feature to work effectively.

Maintenance Tips to Prevent Starting Issues for Your Generac GP2200i Generator 

Regular maintenance can help prevent starting issues with your Generac GP2200i. Here are some essential maintenance tips:

1. Regularly Inspecting and Cleaning the Carburetor

Inspect the carburetor periodically for any signs of dirt, debris, or blockages. Clean the carburetor using a carburetor cleaner and follow the manufacturer’s instructions. 

This preventive measure ensures proper fuel flow and reduces the likelihood of starting problems caused by a clogged carburetor.

2. Using Fresh Fuel and Stabilizer

Always use fresh gasoline in your Generac GP2200i. Fuel that has been sitting for an extended period can deteriorate and lead to starting issues. 

Additionally, consider using a fuel stabilizer when storing the generator for prolonged periods. Fuel stabilizers help prevent fuel degradation and maintain its quality.

3. Keeping the Battery Charged

If your Generac GP2200i has a battery, make sure to keep it charged. Regularly check the battery’s charge level and recharge it if necessary. 

Avoid leaving the battery in a discharged state for extended periods, as it can lead to reduced battery life and starting problems.

When to Seek Professional Help?

If you’ve followed the troubleshooting steps mentioned above and your Generac GP2200i still refuses to start, it may be time to seek professional assistance. 

Authorized service centers or qualified technicians have the expertise to diagnose and resolve more complex issues with your generator. 

They can conduct in-depth inspections, repair faulty components, and ensure your generator is in optimal working condition.


Facing a Generac GP2200i that won’t start can be a frustrating experience. However, by understanding the common reasons behind starting issues and following the troubleshooting steps provided, you can often resolve the problem and restore your generator’s functionality. 

Furthermore, always remember to perform regular maintenance and seek professional help if needed to keep your Generac GP2200i running smoothly for years to come.

Frequently Asked Questions

1. How long can the Generac GP2200i sit without being used?

The Generac GP2200i can sit without being used for up to 30 days. However, it is recommended to start and run the generator for a few minutes every month to keep it in good condition.

2. Can I use ethanol-blended fuel in my Generac GP2200i?

Generac recommends using fuel with no more than 10% ethanol (E10) for the GP2200i. Higher ethanol concentrations can cause starting and performance issues.

3. What type of oil should I use in the Generac GP2200i?

Generac recommends using SAE 10W-30 oil for your GP2200i. Check the owner’s manual for specific oil recommendations and maintenance guidelines.

4. How often should I change the spark plug in my Generac GP2200i?

Generac suggests inspecting and cleaning/replacing the spark plug every 200 hours of operation or at least once a year, whichever comes first.

5. Can I parallel two Generac GP2200i units for increased power output?

Yes, the Generac GP2200i has a parallel capability. By using a parallel kit, you can connect two GP2200i units to double your power output. 

Ensure that both units are the same model and in good working condition before attempting parallel operation

And if in any way you are confused about a kit to buy, check out this parallel kit on Amazon to double your power output.


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