ChapmanF's Recent Activity

  1. ChapmanF replied to the thread Seafoam full can in the tank, now runs bad. Can this be fixed. how?.

    The various self-tests have their own various schedules for when they run. EVAP is an extra-special one, because it's not even one that...

    Mar 25, 2026 at 9:02 PM

  2. ChapmanF replied to the thread Seafoam full can in the tank, now runs bad. Can this be fixed. how?.

    That's a picture of the readiness display for the various monitors (self-tests). Looks like the only ones showing ready are the...

    Mar 25, 2026 at 8:52 PM

  3. ChapmanF replied to the thread Why This Genius Race Car Was Banned.

    Interesting: U.S. Patent No. 5,343,970 U.S. Patent No. 7,104,347 U.S. Patent No. 7,237,634 Links copied from the WIRED article were...

    Mar 25, 2026 at 4:37 PM

  4. ChapmanF replied to the thread EGR cooler nightmare event -- always check a used one for leaks before you install....

    ... but also a couple earlier posts that genuinely did seem to be mixing up the EGR and the EHRS. "The exhaust blows through the cooler,...

    Mar 25, 2026 at 1:54 PM

  5. ChapmanF replied to the thread EGR cooler nightmare event -- always check a used one for leaks before you install....

    Good point. Certainly at times the EGR valve is closed, like idle and full throttle, any coolant leakage will follow gravity into the...

    Mar 25, 2026 at 10:06 AM

  6. ChapmanF replied to the thread Is cabin heat "free" if a Prime is in HV mode?.

    I don't know whether the Prime does include a conventional heater core as well as the heat pump. For purposes of discussion, let's...

    Mar 25, 2026 at 10:01 AM

  7. ChapmanF replied to the thread AC #2 Damper Servo replacement.

    I've never looked this procedure up for a gen 4. Remove the dash I believe; drop the engine I wouldn't believe unless I read it in the...

    Mar 25, 2026 at 9:51 AM

  8. ChapmanF replied to the thread Seafoam full can in the tank, now runs bad. Can this be fixed. how?.

    That'll fix it?

    Mar 24, 2026 at 9:45 PM

  9. ChapmanF replied to the thread What food do you miss when you're away from home?.

    For whatever reason, the Kroger / PayLess here has never resumed carrying those larger bags of dry milk. But Meijer has them. And...

    Mar 24, 2026 at 9:06 PM

  10. ChapmanF replied to the thread Which Tires Wear Fastest-The Fronts or Backs?.

    What struck me was that the car was so quiet when I bought it with 125,000 miles on it, and then 'aging' created all those squeaks and...

    Mar 24, 2026 at 7:33 PM

  11. ChapmanF replied to the thread amateur question about front strut install.

    (y) :D

    Mar 24, 2026 at 7:30 PM

  12. ChapmanF replied to the thread Front Brake Dusk Shield.

    The idea of that much grease that close to some brakes makes me anxious.

    Mar 24, 2026 at 4:47 PM

  13. ChapmanF replied to the thread Which Tires Wear Fastest-The Fronts or Backs?.

    When I first got my gen 1 (at around 125,000 miles and still quiet as a vault inside) and discovered PriusChat, I experimented briefly...

    Mar 24, 2026 at 4:44 PM

  14. ChapmanF replied to the thread EGR cooler nightmare event -- always check a used one for leaks before you install....

    To be able to say that, you can only be thinking of the Exhaust Heat Recovery System exchanger. (Except the "to the converter" part; the...

    Mar 24, 2026 at 12:19 PM

  15. ChapmanF replied to the thread EGR cooler nightmare event -- always check a used one for leaks before you install....

    There may be some confusion with gen 4's occasionally leaky Exhaust Heat Recovery System exchanger. If that leaks, the coolant goes out...

    Mar 24, 2026 at 12:13 AM
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