April 19, 2023

Gas Grill: Why is my gas grill not hot enough?

Problems with gas flow can keep a gas grill from getting hot enough.

First, make sure there's plenty of gas in the tank, because the diminished gas flow from a nearly empty tank won't supply the burners with enough gas to heat properly. Our video shows how to check the level of propane in a tank. If the tank's full but gas won't flow freely to the burners, reset the pressure regulator. Replace the pressure regulator if it won't allow gas to flow properly to the grill after resetting the regulator.

Clogs inside the burner tubes or spills covering the burner tube ports can also inhibit heating. Clean the burner tubes so the burners heat properly and replace any damaged burner tubes. Perform routine maintenance on your grill to help keep the burners working efficiently. Also check and adjust the alignment of the burner tubes to the gas valves so the burners heat properly. Check the operation of the burner valves on the manifold and replace the manifold if gas doesn't flow properly to the burner tubes when you open the manifold's valves.

gas grill

THESE REPAIRS MAY HELP SOLVE YOUR GAS GRILL PROBLEM

JC-GG-Clean-repair-or-replace-the-gas-grill-burner

Clean, repair or replace the gas grill burner

Regularly check and clean the burner tubes of spider webs and debris. Clean the burner tubes with a bottle brush or stiff wire, such as a straightened coat hanger. Check the gas ports (holes) for spills that could glog them. Clean the burner if necessary. Look for rust or damage on the burner bodies and replace a burner if it's damaged or rusted.

Clean, repair or replace the gas grill burner

Find the required part specific to your product.

RG-GG-Replace-a-Gas-Grill-Burner-Intro-Image
November 01, 2016

How to replace a gas grill burner

If your gas grill has an uneven flame or makes a low flame even on a high-heat setting, you might need to replace the gas grill burner. This repair guide shows how to install a new gas grill burner. It’s an easy fix.

Repair difficulty
Time required
 15 minutes or less
JC-GG-Replace-the-gas-grill-pressure-regulator

Replace the gas grill pressure regulator

If the pressure regulator isn't working properly, first reset the pressure regulator, following the instructions in your owner's manual. To reset most pressure regulators, shut off the gas supply valve at the tank, disconnect the hose/regulator from the tank, wait 30 seconds and then reconnect the hose/regulator. Slowly open the gas supply valve on the tank. If the regulator still doesn't work properly, replace it.

Gas grill pressure regulator

Find the required part specific to your product.

RG-GG-Replace-a-Gas-Grill-Pressure-Regulator-Intro-Image
November 01, 2016

How to replace a gas grill pressure regulator

If your gas grill’s burners aren’t lighting, the pressure regulator might not be feeding enough gas to the burners. You can install a replacement pressure regulator in about 15 minutes.

Repair difficulty
Time required
 15 minutes or less
JC-GG-Preform-routine-gas-grill-maintenance

Perform routine gas grill maintenance

The gas grill needs to be periodically cleaned and adjusted to work well. Clean the flavor bars. Check the burner tubes and replace if damaged. Clean any clogged ports on the burner tubes and the inside of the burner tubes. Check the alignment of the burners and igniters.

Perform routine gas grill maintenance

Find the required part specific to your product.

JC-GG-Replace-the-gas-grill-manifold

Replace the gas grill manifold

The manifold on a gas grill has the burner control valves and the connecting gas tubing. If the manifold fails, burners won't heat sufficiently or won't light at all. If a valve is stuck and not working, replace the valve. If the individual valve isn't available as a separate replacement part, replace the entire manifold.

Gas grill manifold

Find the required part specific to your product.

JC-GG-Adjust-and-align-gas-grill-components

Adjust and align gas grill components

Remove the grates and the flavor bars. Check the alignment of the burners. Make sure that all fasteners are in place. Check the igniter electrode. The tip of the igniter should be within 1/8- to 1/4-inch of the gas burner. Adjust the igniter if necessary.

Adjust and align gas grill components

Find the required part specific to your product.

Symptoms for gas grills

Choose a symptom to see related gas grill repairs.

Main causes: nearly empty fuel tank, faulty pressure regulator, burner tube clogs, bad burner tube alignment to gas valv…

Main causes: empty fuel tank, tripped flow-limiting device on the pressure regulator, faulty manifold valves, burner tub…

Main causes: damaged or dirty flame tamers, corroded firebox, accumulated grease and debris in the grease pan…

Main causes: clogged burner tubes, cracked insulators on igniter electrodes, wiring failures, bad ignition module, manif…

Repair guides for gas grills

These step-by-step repair guides will help you safely fix what’s broken on your gas grill.

How to replace a gas grill wheel

How to replace a gas grill wheel

Replace a broken or damaged wheel in less than 15 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill igniter electrode

How to replace a gas grill igniter electrode

Replace the igniter electrode on your gas grill if it won’t light the burner.…

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill ignition module

How to replace a gas grill ignition module

Follow these steps to replace the ignition module if it doesn't produce a spark. …

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your outdoor grills

Use the advice and tips in these articles and videos to get the most out of your gas grill.

What are the main parts of a gas BBQ grill?

What are the main parts of a gas BBQ grill?

Learn about the main parts of gas grills and get DIY tips for replacing gas grill parts.…