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  1. Prius Gen 3 Major Maintenance: EGR, manifold, spark plugs, Oil …

    Jan 21, 2019 · Clean EGR circuit (EGR pipe, valve, cooler) Due to short timing, I decided to replace with new EGR valve and cooler Clean air intake manifold Clean throttle body Replace …

  2. Anybody use seafoam? - PriusChat

    Feb 10, 2017 · Maybe my deposition rate in the EGR system was less than some experienced, as I haven't experienced the cold-start rattle, and never set an EGR or other code in 177,000 …

  3. Jan 14, 2019 · 1. INSTALL EGR PIPE WITH COOLER SUB-ASSEMBLY (a) Using an E8 "TORX" socket wrench, install the 3 stud bolts to the EGR pipe with cooler sub-assembly.

  4. "EGR DELETE" Instructions - PriusChat

    Oct 20, 2021 · "EGR DELETE" Instructions Discussion in ' Gen 3 Prius Care, Maintenance & Troubleshooting ' started by Paladain55, Jun 17, 2023.

  5. Monitor details: a useful Techstream feature I had overlooked

    Mar 30, 2008 · No EGR cleaning performed yet - will continue to collect more EGR test results through this winter and clean intake manifold, EGR tube and valve in this spring (around 50K …

  6. EGR issues, is it too late? | PriusChat

    Jan 28, 2025 · Agree, it's late. Our EGR cooler at 120K was very dirty and about 75-80% clogged with rock hard carbon and oily gunk. I swapped in a pre-cleabed spare EGR cooler and EGR …

  7. The complete "EGR Delete" How To - SVTPerformance.com

    Jan 18, 2009 · After looking at about 10-15 different threads about deleting the EGR and finally figuring everything out, I decided to put together this "EGR Delete" How To so the next guy …

  8. How often do I need to clean EGR? | PriusChat

    Feb 24, 2018 · For the EGR cooler I'd suggest a caustic cleaner. Being stainless steel, and having such a convoluted interior, caustics are the go-to. Oxi-Clean Versatile Stain Remover is …

  9. DIY EGR cleaning made easy - PriusChat

    Jan 16, 2019 · DIY EGR cleaning made easy Discussion in ' Gen 3 Prius Care, Maintenance & Troubleshooting ' started by Sharnold, Mar 8, 2024.

  10. 2010 Prius still shakes after head gasket job and EGR + intake …

    May 7, 2025 · 2010 Prius still shakes after head gasket job and EGR + intake cleaning Discussion in ' Gen 3 Prius Care, Maintenance & Troubleshooting ' started by infinitepub, May 7, 2025.