How To Solve The Problem Of Gas Oven Heating Slowly

By Empava Appliances
updated: August. 18, 2022

Gas ovens are multipurpose kitchen tools that can prepare a variety of dishes. However, regardless of how advanced or sophisticated your oven may be, they all need time to warm before you can use them. But what occurs if the gas oven takes an excessively lengthy time to preheat?

Although troubleshooting your gas oven can be somewhat scary, there is no need to be concerned. Clearing the air will assist you comprehend what's causing your troubles and how to resolve them.

Why Is Your Gas Oven Taking So Long To Preheat?

You can pin down a few potential culprits when a gas oven takes too long to preheat. You'll typically discover that a malfunctioning oven igniter is the root of this issue. 

Gas oven may also heat up too slowly due to issues with the thermostat, wiring, gas safety valve, or even the gas oven control board.

Let's examine each of those elements in more detail, as well as how they can prevent your gas oven from preheating properly and what you can do to remedy them.

  • Faulty Oven Igniter

Your gas oven's igniter is one of its most important parts. When it receives power, it will get heated enough to flash a vivid orange. That will cause the gas safety valve on the gas oven to open, lighting the gas that leaks out in the process.

As you can see, the igniter initiates the process of heat generating within your gas oven.

What's most likely taking place: If your gas oven takes too long to heat up, it suggests that something is stopping it from producing heat at a normal rate. A defective oven igniter that isn't getting hot enough is the most likely culprit.

Gas oven igniters typically last 4-5 years. If your gas oven is older than that, you can anticipate that the igniter will eventually develop a malfunction. A series of events will result from that error. The igniter firstly fails to reach the ideal temperature. The gas safety valve won't then fully open as it ought to. Finally, the gas oven won't produce much heat, which will prolong the preheating procedure.

How To Fix The Problem

This issue can be resolved by changing the defective igniter. To begin with, turn off the oven's power supply. Then take off every rack from the oven space.

The igniter is located beneath the bottom panel of your gas oven. Afterward, unplug its electrical connectors and remove it by unscrewing its screws.

You can then put the replacement igniter there. You prevent them from coming free later, make sure to tightly replace the electrical contacts.

  • Defective Temperature Sensor

The thermostat is the next component to troubleshoot. Its task is to continuously monitor the gas oven's temperature so that it can adjust it as necessary.

On the back panel of the gas oven, there is a short metal rod-shaped thermostat. It is often placed nearer to one of the upper corners by the manufacturer.

The thermostat becoming faulty is the most logical explanation in this situation. This means that even though your gas  oven isn't hot, the thermostat wrongly believes that it is.

The gas oven won't be able to raise its temperature as quickly as it should as a result, which will prolong the preheating procedure. The gas oven won't be able to raise its temperature as quickly as it should as a result, which will prolong the preheating procedure.

How To Fix The Problem

Sadly, the thermostat is just another element that cannot be fixed. Therefore, you'll need to swap it out with a new one.

Fortunately, the replacement procedure is rather simple. Remove the screws holding the thermostat to the back panel of the oven first.

Pulling it out should be done cautiously. You must unplug the wire from the electrical connector inside the gas oven that enters the back panel.

  • Wiring Problems

You should pay special attention to the cables that link to the igniter and thermostat when you troubleshoot them as stated above. Sometimes, even though the component functions flawlessly, the wiring is the issue. For instance, the wire could be scorched, broken, or loose.

Each time you use the device, the igniter and thermostat, which are both located inside the gas oven compartment, are subjected to intense heat. Therefore, even a small amount of heat exposure to those wires could cause them to burn. 

How To Fix The Problem

You will only need to concentrate on the wires if the components are in working order but the wiring is faulty. For instance, you'll need to splice any broken wires or replace any burned-out wires. 

There may possibly be some loose wire connections, in which case you will simply need to tighten them firmly.

  • Faulty Gas Safety Valve

The gas safety valve and the igniter function together, as was explained at the outset. The gas valve will open and let gas into the oven to ignite and produce heat when the igniter produces enough heat.

By limiting gas flow when the gas oven is not in use, this valve ensures the safety of the appliance.

You must troubleshoot the gas safety valve after ruling out the first three causes mentioned above. It can have a mechanical or electrical issue preventing it from opening and typically sending gas to the oven. The oven cannot heat up as quickly as usual if there is not enough gas.

How To Fix The Problem

Compared to many other gas oven parts, replacing the gas safety valve is comparatively expensive. In order to confirm that it is the reason, you should test it with a multimeter. If the gas safety valve is the culprit, you'll need to swap it out for a new one once you're certain. It is usually better to engage a competent expert to replace the valve for you because it is directly related to the gas system of the oven.

  • Failed Oven Control Board

A control board for the gas oven is used by some brands and models. The components indicated above, as well as a printed circuit board (PCB), work together to coordinate all of the oven's tasks (i.e., the gas safety valve, the igniter, and more).

The least likely scenario on this list is a malfunctioning oven control board. But even after exhausting all other possibilities, the control board might have malfunctioned. The functionalities of your gas oven won't operate properly if that occurs. That will probably cause the gas oven to warm too slowly as well.

How To Fix The Problem

The only option for a malfunctioning oven control board is to be replaced. Find and then identify your gas oven's control board first.

After that, unplug all of the cables that are connected to the board before removing it totally. The new board can then be put in its position, and the wires can be connected in the same manner as before.