![]() While you might need to replace the EGR temperature sensor, this shouldn’t be your first step. Considering the average catalytic converter replacement costs $900 to $2,500, you are preventing an expensive repair bill with this simple action. Not only are you allowing excessive consumption of fuel, but the catalytic converter is going to experience more damage until it is repaired. If you are able to replace the EGR temperature sensor on your own, you can save a lot of money.ĭon’t procrastinate replacing the EGR temperature sensor at the first sign of trouble. The labor makes up $50 to $75, while the part is going to add $150 to $225. EGR Temperature Sensor Replacement CostĪ replacement EGR temperature sensor might cost between $200 and $300. To reduce pressure, the computer will pump out more flow to reduce the temperature pressure in the system. It measures the exhaust gas temperature between the intake and exhaust manifold.Īs the temperature in the system rises, the EGR temperature sensor sends off a signal to the engine computer. It works hand-in-hand with the EGR solenoid, effectively controlling the flow occurring in the EGR system. ![]() The EGR temperature sensor is a critical part of the exhaust gas recirculation system. Its other purpose is to transmit the signal it receives back to the engine computer. It’s an electrical sensing probe responsible for monitoring the EGR gas temperatures. The EGR temperature sensor stands for exhaust gas recirculation temperature sensor. To remove the sensor, you want to unscrew it with a compatible wrench or ratchet. There should be a tab that you need to push down before you slide it off. From here, take off the electrical connector to the sensor. You want to start by disconnecting the negative battery cable. It’s simple to take the old EGR temperature sensor off. It’s either mounted right to the manifold or it can also be located by the EGR valve. The EGR temperature sensor is part of the exhaust system. The car might use more fuel during this time, and the extra fuel can lead to issues with the catalytic converter, which is expensive to replace. Additionally, the emissions troubles can lead to more damage. If emissions tests are required in your area, you could violate regulations, leading to possible fines. A malfunctioning sensor can give off false readings or fail completely. In some cases, the Check Engine Light might not be on, so a failed test could be the first sign. If you go for an emissions test and the vehicle fails, it could be a sign of a failing EGR temperature sensor. RELATED: 7 Engine Noises You Should Not Ignore (& What They Mean) 3. Because the issues can lead to engine failure, you want to get a quick diagnosis and repair what is defective. It’s possible that the issue is greater than just a failing EGR temperature sensor. You should never ignore the signs of an engine knock or ping. The noise can also resemble something metallic that’s rattling inside the engine, showing there’s an issue with combustion. Any alteration to the flow can cause the temperature in the cylinders to rise, which is what creates the alarming sounds. In fact, a knock or pinging noise can often be heard before the Check Engine Light illuminates.Īs the EGR temperature sensor fails, issues are caused by the system’s flow. No one ever wants to hear engine noises, but this is one problem that is common with the bad EGR temperature sensor. If you aren’t sure what the trouble code means, it’s easy to look it up online. You will need to scan the system with an OBDII code reader because many faults can cause the Check Engine Light to come on. However, a Check Engine Light alone isn’t going to tell you that the EGR temperature sensor is failing. If the EGR temperature sensor is going bad or malfunctioning, the system will try to get your attention by illuminating the Check Engine Light on the dashboard. When the engine computer notices a problem with any of the signals or sensors, the warning light is going to illuminate. Here is a more detailed list of the signs of a bad or failing EGR temperature sensor to look for: 1. However, some people don’t know about the problem until the emissions test is failed, showing the system isn’t working as it should. It also leads to engine noises, such as knocking or pinging. Clean the EGR Temperature Sensor Symptoms Of A Bad EGR Temperature SensorĪ bad EGR temperature sensor causes the Check Engine Light to come on.
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