rjparker's Recent Activity

  1. rjparker replied to the thread Another EGR thread.

    The pressure can hold either way

    Apr 2, 2026 at 6:21 PM
  2. rjparker replied to the thread Another EGR thread.

    The pressure is to force drops on a borescope test. It can look fine and should either way.

    Apr 2, 2026 at 5:52 PM
  3. rjparker replied to the thread Dixie style breakfast.

    Ulch -- trust a JA raised in Hi

    Apr 2, 2026 at 4:30 PM
  4. rjparker replied to the thread Need Advice on Timing Cover Gasket for 2013 Prius v.

    A timing chain cover leak on these engines is common and will get oil on everything over a period of time. But it is unlikely to amount...

    Apr 2, 2026 at 4:17 PM
  5. rjparker replied to the thread Another EGR thread.

    So far there is no clear diagnosis. Often a pro does a diagnosis of exclusion especially when there are no codes on an intermittent...

    Apr 2, 2026 at 12:27 PM
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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