thermostat sensor check engine light

Is Your Check Engine Light On? This is Why

Mar 01, 2018· The most noticeable issues occur when the thermostat gets stuck in either the open or closed position. A malfunction can result in a trouble code, generated by the engine’s computer, which can turn on your check engine light. If the thermostat is stuck open

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P0128 - Meaning, Causes, Symptoms, & Fixes - FIXD Best ...

Apr 16, 2018· If the ohm reading is not changing with the temperature, replace the coolant temperature sensor or repair the wiring for the sensor if it is damaged. The most common cause for P0128 is the engine coolant thermostat is stuck open. A simple way to diagnose this is to feel the radiator hose and monitor how hot the temperature of the coolant is ...

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Dodge P0128 - FIXD Diagnostic Sensor and App to Monitor ...

Oct 11, 2018· The ohm reading will change with the temperature. If the ohm reading is not changing with the temperature, replace the coolant temperature sensor in your Dodge or repair the wiring for the sensor if it is damaged. The most common cause for P0128 in a Dodge is the engine coolant thermostat is stuck open. A simple way to diagnose this is to feel ...

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Check Engine Light on again after thermostat replacement....

Jan 24, 2016· If the check engine light is coming on and a code like P1217 is in the computer then the computer is seeing an overheat conditions from the coolant sensor telling it your engine is overheating. This can be caused by a defective coolant sensor, radiator partly clogged, fans not working, thermostat or internal engine head problems.

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Why Is My Check Engine Light Still There? | GOFAR

A stuck open thermostat prevents the engine from reaching its optimal temperature necessary for proper operation. Similarly, a stuck closed thermostat causes your car engine to overheat. If the temperature gauge drastically shots to the red zone, the check engine light comes on. Solution: Replace the thermostat. Or, if the engine has overheated ...

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How Does an Engine Coolant Temperature Sensor Work? - …

Generally speaking, if your sensor is not working, it will send a signal to the computer and your Check Engine light will be illuminated. If you see the Check Engine sign light up, take your car in for professional servicing right away. Replacing the Car Temperature Sensor . The sensor will eventually need to be replaced altogether after time.

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Driving at 80km/hr the thermostat went into the red zone ...

Driving at 80km/hr the thermostat went into the red zone and the alarm sounded to indicate the engine was overheating. It then went off, came on again and this kept happening. ... I had the car serviced just over a week ago and when I picked the car up the check engine light was on. The mechanic said it was fine and reset it but it’s on again.

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P0128 Code: Coolant Temperature Below Thermostat ...

Jun 17, 2021· A faulty engine coolant temperature sensor or one of the wirings connected to it can cause the P0128 code. The most common causes of P0128 include: Low coolant level (an air pocket trapped at the engine coolant sensor) The engine coolant thermostat is stuck in an open position or is opening too soon.

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