How To Diagnose A Bad Egr Cooler On Cummins Isx Youtube This can lead to overheating and potential engine damage. 3. decreased fuel economy. a faulty egr cooler can cause the engine to run less efficiently, resulting in decreased fuel economy. 4. increased exhaust smoke. a failing egr cooler can cause an increase in exhaust smoke, particularly white or blue smoke. 5. I made a quick video of how to check if egr cooler is bad. this one was by far the worst ive seen, 1 gallon in about 2 days. don't let it get this far. this.
3689000 Cummins Isx Egr Cooler For Sale Maintaining the egr (exhaust gas recirculation) cooler on your cummins isx engine is crucial for keeping it running smoothly and efficiently. the egr cooler helps reduce emissions by recirculating a portion of the exhaust gases back into the engine, but over time it can become clogged with soot and debris, leading to r. White steam or smoke from the exhaust. the most common sign of an egr cooler failure is white steam or smoke that comes from the exhaust. the white steam is caused by coolant leaking into the exhaust system and coming into contact with hot exhaust gasses. the coolant turns to steam when it comes into contact with the hot gasses, and this steam. 3 common issues with the cummins isx. 1. egr valve leaks. like many other engines with an egr, the cummins isx is prone to typical egr problems. on the isx the culprit is often a leaky egr valve. this can seem innocent enough but the problem will compound over time and it’s often difficult to diagnose. If your radiator pressure cap goes bad, and it allows too much pressure to build up in the radiator, then very easily, it can crack the egr cooler causing it to fail. a pressure cap is ten bucks, so i recommend just replacing it at the first sign of an egr cooler failure, or if the egr cooler actually gets replaced, just as a safety measure.
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