can you replace an ecu from car to car

If your vehicle fails to start for no apparent reason, this is also a good indicator that there may be a problem with the ECU. The shape, price, and arrangement may vary depending on the car model, this is general information … A faulty crankshaft sensor can cause your engine to come to a complete stop, giving you rough starting conditions. You often have a separate sensor for the cooling fan, and a separate sensor can be used for the instrument cluster and engine control module. And from there it can get confusing, because there's a whole rat's nest of electrical terminology to trace and pick through. If you type "electronic control module," or its better-known acronym, ECM, into the search field, you'll be gently guided over to the ECU (engine control unit) page. This sensor is not installed in many car models. It is used to measure the exhaust gas temperature before and after the particle filter, in order to optimize particle filter regeneration. Browse a huge selection of local inventory. 4. The sensors are often quite expensive and can be difficult to reach and replace, they often rust and get stuck. If you have a manifold pressure sensor, you often do not need a boost pressure sensor. The boost pressure sensor measures the boost pressure in the pressure lines. This unit is often integrated in the control modules and may not be replaceable. The camshaft sensor measures the position of the camshafts. Ideally, a "header-back" exhaust system will be installed, in which the exhaust goes pretty much straight from the engine to the tailpipe, efficiently and quickly. I have been working with cars for 10 years, specialized in diagnostics and troubleshooting. How to Detect and Clean a Faulty Mass Airflow Sensor, How to Tell if You Have a Faulty Coil Pack, How to Tell If You Have a Faulty Throttle Position Sensor. You can easily reset the light by unplugging the negative terminal on the battery for ten seconds (which is what I would suggest), or driving for sixty miles so the car can cycle. Here are some ways to tell if yours is damaged or faulty. If you notice that your check engine light is always on, take your in vehicle in for service and request that they check the engine control unit. Kits are available, should you choose to do it yourself, for several hundred dollars, though welding a new exhaust system onto the car requires that you … Often in the engine block, Often at the top of the head, near the crankcase cover. The fuel temperature sensor measures the temperature of your fuel. Depending on the vehicle engine model you often have 1 to 4 exhaust gas temperature sensors. They are often attached directly to the engine block with a screw. The throttle body is often difficult to access, and if it is possible to replace only the throttle position sensor, the price of the sensor itself is quite reasonable. Fortunately, an ECU can be repaired or reprogrammed in many cases—thus preventing the need to actually replace an ECU. You need to remove the transmission … The throttle position sensor measures the angle of the throttle to see how hard you accelerate the car. After replacing the throttle position sensor, you often need to make a basic adjustment. The fuel pressure sensor measures the fuel pressure on your fuel pressure line. For many models of vehicles you can find online repair services for between $300 and $400 for a complete repair or reprogram of the ECU. The cost of the sensor itself is not that high, but it may take some time to replace it, which can be a bit expensive if you have a mechanic do it for you. The mass airflow sensor measures the air flowing into your engine. You should expect to pay between $150 and $300 at a local repair shop or service center just to have the ECU inspected and tested. They do the work and then ship it back to you. A damaged ECU can cause problems when shifting gears in an automatic transmission, or cause sudden jerking or stopping that's similar to transmission problems. You will often find the air mass sensor attached to your air filter box. While there are many excellent repair shops and service centers that have the required equipment to diagnose a faulty ECU, if you want to be absolutely certain that your car is correctly diagnosed, consider taking your vehicle to a dealership that sells your particular vehicle. A symptom of a faulty camshaft sensor is often rough starting conditions. If you have a turbo engine, it will most likely be mounted on the intake manifold. More information and pictures of all car sensors can be found further down in this article. Some require a professional to identify and remedy. The shape, price, and arrangement may vary depending on the car model, this is general information for common cars. However, there are service providers that auction their services on sites like eBay that can perform the work for as little as $50. If you have lost your car keys or are in need of a spare, we can help you. The front sensor measures the oxygen and adjusts the fuel mixture. It is often integrated into your MAF sensor, but can also be mounted externally on your intake pipes, on the manifold or near the air filter box. The most common reason is a problem with the ECU. It is often used instead of a MAF sensor in American cars. If it detects a misfire, it adjusts the ignition or fuel to ensure that the engine does not detonate. Hi, I’m Magnus, the owner and the writer of Mechanic Base. This will help the mechanic or technician best repair your vehicle. The boost pressure sensors are often cheap and can be easily replaced on most car models. In many cases, the faulty ECU can be repaired or reprogrammed, and this type of repair will usually run between $300 to $750, depending on the make and model of your vehicle. By visiting an authorized dealership, you will always be assured that the equipment used to diagnose it provides the most accurate readings and results. If you have a V-engine, you often have two O2 sensors per row (cylinders 1-3-5 and 2-4-6 etc.). The manifold absolute pressure sensor measures the pressure inside the intake manifold. It can sense both under-pressure and overpressure. In the unfortunate event that you need to actually replace the ECU, you should add about $500 to $600 to the cost of the part for labor to install and program the new ECU. The fuel temperature sensor sends a signal to the engine control unit to increase or decrease the amount of fuel required depending on temperature. Testimonial … If you suspect that the electronic control unit in your vehicle is damaged, or is going bad, you should immediately take your vehicle to the nearest dealership, repair shop or service center. A Manifold Absolute Pressure Sensor (MAP), To find more information about this sensor, check, Questions to ask before buying a used car, 10 Best Used Pickup Trucks to Buy Under $10,000, Measures the Air temperature flowing to the engine, Inside the MAF sensor or after the air filter box, Measures the Air Mass going into the engine, Hose between air filter box and throttle body, Measures the pressure in the intake manifold, Low fitted on the engine. COPYRIGHT 1999-2021 MH Sub I, LLC dba CarsDirect.com, How to Detect a Faulty Manifold Pressure Sensor, 2020 Toyota Highlander Recalled For Involuntary Stalling, The Top Brake Repair Shops for Pricing and Service, How to Detect and Repair a Faulty Hydraulic Lifter. I created this blog because I was tired of finding false information on the web while looking for repair information. The O2 sensors are located on the exhaust pipe. The camshafts rotate 1 revolution when the crankshaft rotates 2 revolutions. If you find your car, truck, or van has suddenly developed a voracious appetite for coolant, and you cannot figure out where it's all going, you may well be looking at a blown heater core. This way, you'll be out of the way in case of a malfunction that causes the airbag to deploy. If you have to replace the entire throttle body, the costs increase considerably. In some vehicles, you may have several coolant temperature sensors. To find more information about this sensor, check Intake air temperature sensor. After replacement, turn the key to accessories, then replace the cable. The control unit and the sensor are often very expensive and the replacement can be a bit tricky because the sensor tends to rust and get stuck. When choosing a service center to check for a faulty ECU, make sure that you visit one that uses the latest computer diagnostic equipment for checking your car's onboard computer. For example, poor performance or unexplained drops in fuel economy or efficiency are often related to onboard car computer problems, or faulty ECU issues. Keeping up with all these … You will find the sensor at any point on the pressure lines or on the intake manifold. The crankshaft sensor sends signals to the engine management system about the position of the crankshaft. The disadvantage of using many different vehicle sensors is that they can fail within a certain period of time, which can sometimes lead to costly replacements. Depending on the engine, the crankshaft sensor is often located on the engine block, the transmission housing or the front pulley. The coolant temperature sensor measures the temperature of the coolant. With more than 40 years of experience in the automotive industry, Sung Beng Auto Group at EAST & WEST workshop provide a total complete one-stop professional automotive servicing & repairing workshop to all car owners , you can rest assured that your ride is in safe hands with the right prices. In this article, you will learn about all kinds of common car sensors that you can find in your car engine. Location The airbag ECU is generally located near the gear stick of a car, usually in front or behind it. It often uses a hot wire that is cooled by the airflow, then converts the resistance into air mass flow and transmits the information to the engine control unit. You often have a camshaft sensor on each camshaft. The rear sensor is only a diagnostic probe for the P0420 code. The Nox sensor can often not be replaced without replacing the control unit. These companies allow you to send your faulty ECU to their location for repair. It is often mounted high in the engine compartment on a coolant hose or screwed directly into the cylinder head. Normally you have two or more O2 sensors. (A lot of fuel may leak out). If you want more information about this sensor, check out this article: Coolant temperature sensor. On some car models, they can be difficult to access if they are mounted on the intake manifold. Auto Key Replacements provide a comprehensive range of automotive locksmith services for many makes and models of cars in Australia.. Armed with a complete mobile workshop, we can assist you with your automotive key needs, beating the dealership price 95% of the time, and we come to you! The camshaft sensors are often cheap and easy to replace, but on some car models, they are installed inside the timing belt housing and can be difficult to replace. When your car runs rich, it is not alarming if you can accurately identify the cause. Sadly, if the leak is hard to find, the reason may be that the coolant has been leaking into your cabin when the … The knock sensor monitors impacts or detonations from the cylinder combustion chamber. These days, there are many online companies that provide ECU repair services also. Depending on whether the fuel temperature is high or low, it may differ in how much fuel is required for optimum combustion. If you vehicle's check engine light remains on constantly, and never goes off, there's a good chance that your vehicle has a faulty engine control unit. The crankshaft sensor plays an important role in getting the right signal when it is time to ignite the injectors and ignition coil. The knock sensors are often cheap, but it can be a bit difficult to get hold of and replace them on some engines. The sensors are mounted on the exhaust pipe and on the exhaust manifold, and sometimes also on the turbocharger. Detonations can cause severe damage to your engine and pistons, and to prevent this, the knock sensor is attached to your engine block. The sensor is used to measure the position of the camshaft so that the engine control unit knows in which position the engine is. Almost all modern car engines use a variety of different vehicle sensors to collect the right information and calculate a perfect air-fuel mixture for the best fuel consumption in all situations. Back to you a malfunction that causes the airbag ECU is generally located near the stick... For repair information if they are often attached directly to the engine the. Exhaust manifold, and arrangement may vary depending on your engine vary depending on temperature ECU, or control! Often attached directly to the engine, it adjusts the fuel temperature is high or low and! The voltage in can you replace an ecu from car to car exhaust temperature sensor the most common reason is a bit messy to if. 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