rjparker's Recent Activity

  1. rjparker replied to the thread Engine Starts, Turns, then Shuts Off.

    The engine cranks at high rpm and often fools people into thinking it was running when it was not. When you have a no start codes...

    Aug 8, 2026 at 3:38 PM

  2. rjparker replied to the thread 3rd gen Prius where is upper radiator hose???.

    Perhaps the fact Toyota did a complete redesign of the 2016 gen4 engine particularly around even cylinder cooling from top to bottom of...

    Aug 8, 2026 at 2:01 PM

  3. rjparker replied to the thread this website has gone ballistic..

    [MEDIA]

    Aug 7, 2026 at 10:57 PM

  4. rjparker replied to the thread All 14 battery pairs show great voltage, But CEL replace hybrid Batt.

    It is not uncommon for "reconditioned" batteries to quickly fail again even when professionally refurbished (video below) and operated...

    Aug 7, 2026 at 3:35 PM

  5. rjparker replied to the thread this website has gone ballistic..

    We know the last forum software update botched up refresh and editing for ios users and it would not surprise me if that is not a clue...

    Aug 7, 2026 at 1:23 PM

  6. rjparker replied to the thread Long trip and battery age.

    I would not worry about the hybrid battery stranding you. They usually don't suddenly fail especially at highway speeds. Hopefully no...

    Aug 7, 2026 at 12:18 AM

  7. rjparker replied to the thread Valve seals or oil control rings? Which most likely?.

    Rings are worn

    Aug 6, 2026 at 8:54 PM

  8. rjparker replied to the thread Valve seals or oil control rings? Which most likely?.

    Excessive oil consumption is common on old gen2 and gen3 engines. Gen2s may have had an advantage because they were 5k oil changes...

    Aug 6, 2026 at 8:05 PM

  9. rjparker replied to the thread 2008,new to me.

    I would get another new fob from a dealer asap. If yours goes bad or is lost, its an expensive repair at a dealer. A user's or most...

    Aug 6, 2026 at 7:36 PM

  10. rjparker attached a file to the thread Head Gasket Fails on Newer 2023 up Honda Dual Motor Hybrids.

    Honda has a history of head gasket problems when overheated. However gen3 Prius and the 2023 and newer Honda hybrids don't need...

    Dual injection.jpeg Aug 6, 2026 at 1:18 PM

  11. rjparker attached a file to the thread Water Pump Replacement.

    Gen3 Prius Engine Coolant-Pump 161A0-29015 [ATTACH] Five bolts not all the same length [ATTACH] No hoses and one gasket Fyi the gen3...

    IMG_2356.jpeg IMG_2353.jpeg IMG_2349.jpeg Aug 6, 2026 at 12:54 PM

  12. rjparker replied to the thread What would you do IF you had to replace your A/C evaporator-core?.

    Tom is a Priuschat member and uses a Prius c as a work vehicle (until recently when the head gasket blew). When a leak is so slow that...

    Aug 5, 2026 at 10:42 PM

  13. rjparker attached a file to the thread Head Gasket Fails on Newer 2023 up Honda Dual Motor Hybrids.

    A better designed block to head interface. Just like gen4 but gen4 also added cylinder insulators.[ATTACH]

    Prius Gen4 Cylinder Insulator.jpeg Aug 5, 2026 at 8:25 PM

  14. rjparker replied to the thread What would you do IF you had to replace your A/C evaporator-core?.

    Gen2 evap leaks are common and its at least $2k to fix it. From a diagnostic standpoint you put dye in it, charge it up, run it to...

    Aug 5, 2026 at 8:20 PM
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