Trouble Code P0404 EGR Cleaning

Saturn s-series P0404 trouble code EGR cleaning

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How to test an electronic EGR valve (GM P1406 case study)
For more on Engine Performance Diagnostics go to my website at www.scannerdanner.com In this video I show another variable when it come to testing this type of EGR valve. This video can also be used to support Sections 3 and 7 in my book.





EGR valve cleaning WITHOUT DISMANTLING - Cleaner kit test Before/After
How to clean an EGR valve without dismantling with a Bardahl EGR valve cleaner kit. Test of the effectiveness of the kit by visually checking the valve before and after cleaning. Cleaning with removing/refitting of this valve here: http://youtu.be/o6k99PvANew Auto, automobile, car, vehicle maintenance tools parts accessories engine mechanics do-it-yourself diy tutorial tuto This video does not constitute or replace a real specialized technical manual, and was only made ​​for convenience and educational purposes. "TutoBuild Eng" makes no warranties of any kind and accepts no liability. "TutoBuild Eng" cannot be held responsible for any damage caused to devices or persons using information contained in this video. The use of the information contained in this video is at your own risk.





How to clean EGR valve ANY
HOW TO TEST THIS GM EGR VALVE https://www.youtube.com/watch?v=Hf42gtAJN7I





GM EGR Valve Testing (P1404 Case Study)
Use this video to support Sections 3 (Transistor Drivers and Output Solenoids), 7 (Potentiometers) and part of 20 (Idle Speed Controls) in my eBook available at www.scannerdanner.com. How to test a GM linear EGR valve. What is duty cycle and how does it relate to valve position? What is the learned EGR valve closed position and why is it needed?




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