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  1. EGR Cleaning: What did I get myself into? - PriusChat

    Jan 1, 2018 · The EGR valve is much easier to remove compared to the EGR cooler. Next time I swap EGR coolers I'll try an Oxi-clean only cleaning. Oxi-clean does such a tremendous job …

  2. Used egr cooler | PriusChat

    Jul 20, 2022 · Used egr cooler Discussion in ' Gen 3 Prius Main Forum ' started by avoice217, Mar 5, 2025.

  3. 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 …

  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. EGR Replacement?? | PriusChat

    Jul 7, 2016 · EGR valve: Brake cleaner (avoid Oxi-Clean, since the body is aluminum) EGR cooler: Brake cleaner, then Oxi-Clean, sim to Intake Manifold. A thin copper wire may help, …

  6. cleaning EGR system without removing intake | PriusChat

    Aug 6, 2019 · cleaning EGR system without removing intake Discussion in ' Gen 3 Prius Technical Discussion ' started by ColoPriusV, Apr 8, 2021.

  7. EGR Maintenance | PriusChat

    Dec 18, 2015 · Besides reduced EGR flow, and unbalanced EGR flow, I would think once the EGR cooler’s internal radiator has any degree of carbon coating, there will an increase in the …

  8. EGR delete or disabling through software - PriusChat

    Apr 30, 2021 · EGR delete or disabling through software Discussion in ' Gen 3 Prius Main Forum ' started by Juntuner, Apr 30, 2021.

  9. 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.

  10. Expected mpg improvement from EGR etc cleaning? - PriusChat

    Jul 14, 2022 · An egr that is causing sluggish slow speed operation is stuck open without egr cooler clogging. Normally the egr valve is closed in low speed operation. The "Car Care Nut" …