rjparker's Recent Activity

  1. rjparker replied to the thread Visual Differences between updated Intake Manifold.

    Its considered bad form to change the subject in a thread. You don't want an aftermarket egr.

    Apr 1, 2026 at 10:47 PM
  2. rjparker attached a file to the thread Another EGR thread.

    For an ecm update you need to buy access to the Toyota TIS system and have the latest Toyota Scanner software running on a PC with a...

    Image.jpeg IMG_1009.jpeg Apr 1, 2026 at 10:04 PM
  3. rjparker replied to the thread Another EGR thread.

    Caked up is better than clean enough to see aluminum color on parts of a piston. In your case the cheap borescope is non-conclusive...

    Apr 1, 2026 at 9:40 PM
  4. rjparker replied to the thread Another EGR thread.

    Stumbling is rough running often leading to stalling or sometimes a no start. In my experience this kind of stumbling is not the same as...

    Apr 1, 2026 at 8:03 PM
  5. rjparker replied to the thread Another EGR thread.

    Egr stumbling and stalling is typically caused by an egr valve not closing properly at low rpms or more commonly due to leaks caused by...

    Apr 1, 2026 at 2:52 PM
  6. rjparker attached a file to the thread Resurface head and replace valve seals etc at time of headgasket replacement or not?.

    With no misfires or rattling I would diagnose first and teardown second. Car Care Nut HG Borescope at 7:40 [MEDIA] Bypassing the...

    IMG_0996.jpeg Image.jpeg IMG_0997.jpeg Apr 1, 2026 at 10:35 AM
  7. rjparker attached a file to the thread Intermittent Misfiring with no Overheating.

    All gasoline has additives to clean fuel injectors, often called "detergents". As a result fuel injectors rarely get clogged no matter...

    IMG_0995.jpeg Apr 1, 2026 at 10:04 AM
  8. rjparker replied to the thread 12v battery terminal connector access.

    Don't forget that not all ground points are safe to use, particularly frames of ecus.

    Apr 1, 2026 at 9:01 AM
  9. rjparker attached a file to the thread Resurface head and replace valve seals etc at time of headgasket replacement or not?.

    Gen3 does have an exhaust heat recirc system - they just don't leak as much as the early gen4 systems. However some do leak and will...

    IMG_0994.jpeg Mar 31, 2026 at 11:33 PM
  10. rjparker replied to the thread Resurface head and replace valve seals etc at time of headgasket replacement or not?.

    The car was wrecked and the head gasket failure never threw codes? Did you ever get the severe metal to metal rattling and shaking...

    Mar 31, 2026 at 9:16 PM
  11. rjparker replied to the thread 12v battery terminal connector access.

    I carry a 2 foot #6 home made jumper with good size alligator clips in our Rav4 hybrid to avoid the "easy" ecm frame ground which is...

    Mar 31, 2026 at 12:46 PM
  12. rjparker replied to the thread replace 2023 Prius Prime with new Rav 4 Prime - blasphemy?.

    MSRP will be a good deal. You should put a deposit on it before it gets to your dealer. The only way it will be on the lot is if...

    Mar 31, 2026 at 11:14 AM
  13. rjparker attached a file to the thread New Prius Owner!.

    Techstream scanner from Toyota or Dr Prius app with extra features enabled (~$13 when I bought it years ago) and an ELM327 bluetooth...

    IMG_0984.jpeg IMG_0985.jpeg Image.jpeg Mar 30, 2026 at 11:26 PM
  14. rjparker replied to the thread Manufacturers' scam to void warranties from non-dealer service.

    Leasing is an effective expense write off for companies in high tax brackets that require fleets, who demand reliability to reduce lost...

    Mar 30, 2026 at 6:00 PM
  15. rjparker replied to the thread replace 2023 Prius Prime with new Rav 4 Prime - blasphemy?.

    It is not always necessary to upgrade a 100 amp service and panel to 200 amp in order to feed 7kw (240v at 30a) or more to a vehicle....

    Mar 30, 2026 at 5:37 PM