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A dial oven thermometer hanging from the middle rack inside a lit wall oven in a US home kitchen, its needle blurred, a loaf pan resting on the rack below.

Oven
Temperature Not Accurate

Recipes come out burnt or underdone at the right setting, and an oven thermometer reads far from the dial.

(844) 407-1890

Mon–Sat, 8am–8pm

  • 5 checks before you book
  • 5 questions that narrow it
  • 5 causes, cheapest first

Book a visit

Three short steps, about a minute.

or call (844) 407-1890

What it
usually means.

An oven does not hold a single temperature; it heats past the setting, switches off, cools a little and heats again, so a thermometer moves up and down through a cycle. What matters is the average over several minutes. When that average sits well away from the setting, the sensor, its wiring, the control's calibration or the door seal is usually responsible. Many ovens let you apply an offset from the settings menu, which corrects a steady drift without any repair.

A technician kneels in front of an open single wall oven in a US home kitchen, holding multimeter probes against the terminals of the bake element. The 5 causes, cheapest first

Answer these first

01

Is the oven running hot or cold compared with the setting?
02

Is the difference the same at every setting, or larger at high heat?
03

Where is your thermometer placed, and have you read it over a few cycles?
04

Is the door gasket intact, and does steam or heat escape around the door?
05

Did the problem start after a self-clean, a repair or a new control?

Check these
before you book.

Oven temperature not accurate: 5 checks, and none of them costs anything.

01

Place an oven thermometer in the center of a middle rack and read it several times over a few cycles.

02

Look at the sensor at the back of the cavity; it should not touch the oven wall.

03

Check the door gasket all the way around for flattened, torn or loose sections.

Also worth checking

  • Look in the settings menu for a temperature offset and note its value.
  • Say how far off and in which direction the oven runs when you book.

How soon does it need a visit?

Not urgent, though an oven that runs far too hot can scorch food and heat the cabinet around it. If the temperature climbs without stopping, turn the oven off and treat it as an oven that will not switch off.

The causes,
cheapest first.

5 things oven temperature not accurate turns out to be, from calibration offset set wrong to control board misreading the sensor.

The cost guide
  1. 01 no repair

    Calibration offset set wrong

    Someone may have set an offset in the menu, or a control reset cleared an offset you relied on. The owner's manual shows how to check and change it.

    No repair: check it yourself
  2. 02 low

    Temperature sensor drifting

    The probe at the back of the cavity changes resistance with heat. As it ages its reading slides, and the control holds the wrong temperature with full confidence.

    Fixed by temperature sensor and calibration
  3. 03 low

    Worn door gasket letting heat out

    A gasket that is flattened, torn or pulled loose leaks heat, so the oven runs cool and cycles more often.

    Fixed by door hinge and gasket repair
  4. 04 low to moderate

    Sensor wiring damaged

    The harness behind the sensor runs near hot surfaces. A frayed or overheated connector gives readings that jump around.

    Fixed by temperature sensor and calibration
  5. 05 moderate

    Control board misreading the sensor

    If a new sensor and good wiring still give the wrong heat, the control's reading circuit is the remaining suspect.

    Fixed by controls and sensors
  6. What it costs

    Every repair on the site's cost scale, side by side

    Open the cost guide

The makes
it happens on.

30 makes on this site; oven temperature not accurate can show up on any of them. Each mark opens that make's own page.

All 30 brands

Oven Temperature Not Accurate,
where we come out.

9 metros, each with its own page.

All service areas

Tampa BayFL · 31 areas

OrlandoFL · 30 areas

Miami / South FloridaFL · 47 areas

New York MetroNY · 75 areas

HoustonTX · 36 areas

ChicagoIL · 50 areas

Los AngelesCA · 95 areas

San DiegoCA · 31 areas

San Francisco Bay AreaCA · 74 areas

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Questions about
oven temperature not accurate.

My thermometer jumps around during baking. Is the oven broken?
Some swing is how ovens work: they overshoot, pause and heat again. Read the thermometer over several cycles and look at the average before deciding the oven is off.
Can I just adjust the offset and skip the repair?
If the oven is off by a steady amount and has always been, an offset is a fair fix. If the error keeps growing or changes from day to day, a part is failing and the offset will not keep up.
Why is my new oven hotter than my old one at the same setting?
An older oven may have drifted cool over the years, and you adjusted without noticing. A new oven is often simply accurate. Check it with a thermometer before assuming the new one is wrong.
Does the temperature on a steam oven work the same way?
Mostly, but steam changes how food cooks at a given setting, and the oven uses additional sensors to manage it. A steam oven that is off is best checked in a dry mode first.

Back to your everyday

Still seeing oven temperature not accurate?

Book with what you checked above — 5 answers save the technician the first part of the visit.

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