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GE Oven Temperature Not Accurate

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The part(s) or condition(s) listed below for the symptom Oven temperature not accurate are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.

Most Frequent Causes for Oven temperature not accurate

Cause 1Igniter

The igniter draws electrical current through the gas valve to open it. As the igniter weakens over time, it takes longer to open the gas valve. As a result, the oven temperature will drop too low before the burner reignites. The oven temperature should not drop more than 40 degrees Fahrenheit before the igniter relights the burner.

Part Testing
Parts
Igniter for your GERange/Stove/Oven
Igniter - Part # 2494 Mfg Part # WB13K21

Oven igniter assembly. Short ceramic style igniter with mounting bracket and wire nuts for installation. Amperage range is 3.3 to 3.6. *Connector may need to be cut off and wires spliced to range wiring with porcelain wire nuts.

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Cause 2Igniter

The igniter draws electrical current through the gas valve to open it. As the igniter weakens over time, it takes longer to open the gas valve. As a result, the oven temperature will drop too low before the burner reignites. The oven temperature should not drop more than 40 degrees Fahrenheit before the igniter relights the burner.

Part Testing
Parts
Igniter for your GERange/Stove/Oven
Igniter - Part # 1021635 Mfg Part # WB16K10043
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Cause 3Temperature Control Thermostat

The temperature control thermostat monitors the temperature inside the oven and cycles on the heat when the oven temperature gets too low. If the temperature control thermostat is not calibrated correctly, it won't cycle on the heat at the proper time. As a result, the oven temperature might be too high or too low. Due to its complexity, the thermostat is very difficult to test.

Parts
Temperature Control Thermostat for your GERange/Stove/Oven
Temperature Control Thermostat - Part # 251863 Mfg Part # WB20K8

Oven thermostat assembly. This thermostat monitors the temperature inside the oven and cycles on the heat when the oven drops below a set temperature. If the oven does not bake, or if the oven temperature is off by more than 50 degrees Fahrenheit, the oven thermostat may be defective,

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Cause 4Oven Control Board

The oven control board works in conjunction with the oven sensor to regulate the temperature. The sensor regulates the oven temperature by varying its resistance to electrical current as the oven temperature varies. As the oven temperature rises, the oven sensor creates greater resistance. If the sensor gives the wrong amount of resistance, the oven may not bake evenly. Or if the oven control board does not read the sensor resistance correctly, the oven temperature may be inaccurate. On some models, you can recalibrate the oven control up to 35 degrees Fahrenheit higher or lower. Refer to your owner’s manual for instructions on how to recalibrate the oven control.

Parts
Oven Control Board for your GERange/Stove/Oven
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