To ensure that your engine will not lose horsepower, you need to install a good EGR delete software after you remove the EGR valve. Using an EGR delete kit on a diesel motor might actually cause a reduction in horsepower, because it’s not designed to work that way. However, modern motors arent always going to have the same benefits. This cleaner air allows for more horsepower. ![]() In the older generations, the engines have a flaw, allowing for a bypassed route to supply cleaner air to the mixture. The EGR delete kit works much better with an older diesel motor. This will also cause you to run into some legal issues when doing an EGR delete, which I will discuss a little further down in the article. ![]() If you have a yearly smoke test where you live, you can also run into problems if you removed the EGR system, and your car may not pass the smoke check. If you remove the EGR system, it’s therefore also quite obvious that it will be bad for the environment when the exhaust gases are not reused. This is to reduce emissions from the engine and ensure the car will pass all emission tests. The whole purpose of the EGR valve is to recirculate some of the exhaust gases back into the engine again for another combustion. RELATED: Muffler Delete: Pros & Cons (and Average Cost) EGR Delete Cons 1. Without it, there’s nothing to budget for. When the EGR system becomes damaged or defective, you could look at a hefty repair bill. Without the EGR valve intact, you have fewer repairs to worry about. It isn’t just the optimized motor that keeps more money in your pocket. Without clogs and soot buildup, there’s less to go wrong with the motor, ensuring you can drive more miles. You’ll notice a jump in efficiency, and the temperatures will remain normal.īecause of these two perks alone, you can expect a longer engine life overall. With the EGR delete re-routing the exhaust gas away from the engine, everything starts to run a little cleaner. Your engine will run at normal temperatures, and you no longer have to worry about clogs. However, when the EGR system is bypassed, there is less soot buildup. Because of this problem, temperatures in the motor naturally begin to rise, and you could notice a lack of power. If the coolers or valves become clogged, the exhaust gases find a way around, thereby leading to a blockage. Reduces Engine TemperatureĮGR valves are known to hold a lot of soot. With the right aftermarket kit installed, you could see a small boost to the fuel economy, thereby helping you save money at the pump. In some cases, sending the exhaust gas away from the engine can prove to be more valuable. However, this system isn’t always the most efficient option. ![]() The purpose of the EGR system is to redirect exhaust gases back into the engine to be reused. I will discuss what happens with newer cars in a moment. These models have fewer sensors and systems set up to regulate what happens during an imbalance. To get the most boost, an EGR delete should be done on an older vehicle. ![]() In many engine types, this boost is only going to increase the horsepower noticed from the motor. When you remove the EGR system from a car, the engine’s air-fuel mixture gets a big boost in oxygen density. RELATED: 6 Symptoms of a Bad EGR Valve (& Replacement Cost) EGR Delete Pros 1. However, there are also plenty of disadvantages that must be considered before determining whether this is the right path. When considering whether to perform an EGR delete, there are several advantages that make it appealing. If you have a modern car, you will also need to reprogram the ECM software to work without the EGR system. When you do an EGR delete, you remove the EGR valve and replace it with a part that blocks the EGR passages. Typically, these exhaust gases would be used in the engine for further combustion. The EGR valve gets removed, so exhaust gases get re-routed from the engine. The EGR delete simply means that the vehicle’s exhaust gas recirculation system has been removed to make room for an aftermarket kit.
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