It’s a beautiful day out. You have your meat seasoned and prepared. Your family is looking to you, Grillmaster, to feed them a delicious grilled meal. But then the unthinkable happens.
You go to light your grill, but the flames and heat elude you. Or, worse yet, the burners stay lit for only a few minutes and then go cold.
How To Fix A Gas Grill: Common Solutions To Try
Before cursing the grill gods and sitting on the phone for 3 hours with customer service, try these options detailing how to fix a gas grill that won’t light or stay lit.
1. Check The Gas
Yes, I know. It’s probably the first thing you did, but I’ve got to be thorough. If your grill has a gas gauge, check it and then give the tank a lift, to make sure your gauge isn’t malfunctioning. If it doesn’t have a gauge, lift the tank—empty tanks weigh around 16 pounds. Full tanks are around 37 pounds.
If your tank has gas in it, move on to the next step. If it doesn’t, well, you know what to do.
Note: If you have gas, ensure the tank is fully open. Maybe you closed it last time and forgot about it. Turn the tank valve counter-clockwise until it stops to open the tank fully.
If your burners still don’t light, the gas flow or ignition could be a problem. Start with the easiest thing first: gas flow.
2. Check for Gas Flow
To see if your burners are getting gas, you can light them manually. To do it, get a long match or lighter and put the flame near your burner with the gas on. Make sure you open the lid before you turn on the gas, please!
If your burners light, then it’s the ignition switch or the wiring. If the burners don’t light, you either have a clog or a problem with your regulator or gas line.
If your ignition switch works but not all of your burners light, you most likely have a clog on the unlit burner. Or, if you have an independent ignition system, it may be the igniter for that burner. Either way, read on to find out how to check.
Related Article: How To Manually Light A Gas Grill
3. Check the Ignition
There are two types of common igniters. The first is battery-powered, in which case you’ll hear a series of clicks when you push the ignition button. If you do have a battery-powered ignition system, try replacing the battery first.
The second type is a piezo-electric system, in which case you’ll hear a single click. If you have a piezo-electric system and none of your burners will light, you probably have a button or wiring problem. Unfortunately, it typically requires that you replace the button or wiring, which can be tricky.
However, if some of your burners will light with either system, you probably have a clogged burner or a faulty igniter at the burner.
4. Determining a Faulty Igniter or Clogged Burner
First, you should turn off your gas and detach it from the regulator before working on your grill. Next, you’ll want to remove the cooking grates, burner plates, and flavor bars. Once you can visually inspect your burners, you can troubleshoot the problem.
If you have an independent ignition system, all of your burners will have igniters next to them. The igniters should spark when you press the ignition button or turn your knobs to the correct setting. It is probably faulty if one or more of your igniters does not produce a blue spark.
You can carefully clean around the igniter and try again if you think debris is causing the defect. If cleaning it doesn’t do the trick, you’ll probably have to replace it.
Some grills have a single igniter that lights a pilot burner, which lights all the others. You can inspect the single igniter using the method above. If the igniter is fine or the pilot burner lights but fails to light all the others, you’ll want to check for clogs.
If you suspect you have a clogged burner, you’ll have to remove the grill rack, flavor bars, and burner plates to inspect the burner visually. Remember to turn off the gas and remove the tank before working on your grill.
A clogged burner will have food, grease, or other debris visible blocking the gas flow from reaching the igniter. You can carefully clean the clogged burner out with a wire or brush.
If you see damage to a burner that won’t light, the best thing to do is replace it by following the instructions in your owner’s manual.
Gas Grill Won’t Stay Lit
If your grill won’t stay lit or the flames don’t seem to get as big and hot as they usually do, you probably have a gas flow problem. First, check to ensure your tank still has fuel and that the valve is fully open. If neither of those is the issue, you’ll want to reset the regulator.
How to Reset Your Regulator
A relatively common problem is the bypass valve inside the regulator getting stuck closed or half-closed. It limits the amount of gas to the burners, causing the grill to go out or not heat properly. To reset your regulator, follow these steps.
Step 1: Open the lid of your grill and then turn all burners to the off position.
Step 2: Turn the valve on the propane tank clockwise to shut off the gas to the regulator.
Step 3: Unscrew the regulator valve (the thing that looks like a metal disc) from the propane tank by turning it counterclockwise until it is free from the tank.
Step 4: Turn all of your burner knobs to the fully open or “high” position. This releases any pressure in the gas lines of the grill. Wait a minute for the pressure to release and the regulator to reset.
Step 5: Turn your burner knobs back to the off position.
Step 6: Re-attach the regulator to the propane tank.
Step 7: Open the valve on the tank slowly until it is fully open. Your grill should operate normally now. If it still doesn’t light or doesn’t stay lit, you may have a faulty regulator valve or hose that needs replacing.
Frequently Asked Questions
1. Why does my gas grill light and then go out?
A common cause of a gas grill that won’t stay lit is insufficient fuel level in the tank. This can happen if you don’t have enough propane or natural gas to power the grill, or if there is a blockage in the fuel line.
2. How do I know if my gas grill is leaking?
If you notice a strong smell of propane or natural gas near your grill, this may be a sign that it is leaking. You should inspect the tank and hoses for any signs of damage or leaks.
If there are any, then they should be replaced immediately. You may also want to check the regulator, ensuring the right amount of fuel flows through the line.
3. How do you fix a burner on a gas grill?
If your gas grill burner isn’t lighting properly, you may need to clean it. Turn off the fuel supply and remove any debris from the burner with a brush or vacuum.
Replace any worn-out parts such as O-rings, gaskets, or valves if necessary. Once everything is in order, reattach the burner and turn on the fuel supply, testing that the burner lights properly.
4. How do I adjust the flame on my gas grill?
The flame on your gas grill can be adjusted by turning the control knobs located near each burner. Adjusting these knobs will increase or decrease the amount of gas flowing to each burner, thereby controlling the flame size. Be sure to adjust each burner individually, as different burners may require a different level of heat.
5. Why is gas not flowing to grill?
If gas is not flowing to your gas grill, it is likely due to a low gas level or a blocked or damaged fuel line. Check the fuel line and regulator for any signs of damage or blockage, such as kinks in the hose or debris buildup.
Now you know the basics for troubleshooting a gas grill that won’t light or stay lit. Of course, the instructions above are a guideline that works for most gas grills.
Usually, it’s something simple like a clogged burner or a faulty regulator. On occasion, it can be a safety mechanism or bad wiring, which are each a little more challenging to fix. Consulting your owner’s manual is always a good idea when troubleshooting your grill. If you don’t have one, most owner’s manuals are available for free online.
Thanks for reading. Happy Grilling!
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