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  1. #1
    superair's Avatar
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    need help problem with ET 15.5 & RRFPR

    Ok guys I need some help, I just installed a ET 15.5 wheel a used Riva rrfpr new Riva 3 bar map sensor and a Riva water box. Upon starting it wants to immediately go dead again, I do finally get it to run long enough to see the afr's at idle they are 14.?? And at 1800 rpm's showing 19. To 22. The gauge on the regulator has had the cap removed and all the fluid is gone but it seems to be moving as normal. I know that doesn't mean it is accurate though but it is set to 52psi. I moved it all the way to 100psi static and then idle afr's are 12.?? I have not reved it up any more. It still will not idle and the afr's are too lean, what do you guys think I need to check? I have removed the injector plug one at a time and they are definitely firing. The plugs were changed just before the other items were installed and all was good before. Also I just calibrated the MTX-L sensor and it was reading correctly. The first problem is why it does'nt want to run anymore. Oh I also changed the bov from a HKS to a TIAL Q 50mm. I have not tried to pull the vacuum line from it to see because it does act like a vacuum leak with not idling.


  2. #2
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    Last edited by Rocketman; 10-09-2014 at 10:08 PM.

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  4. #3
    I dont think you need rivas 3 bar map sensor with an R3. Try with your old map sensor, pretty sure RD has things set for the original map sensor.

  5. #4
    tealgreen2000's Avatar
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    Quote Originally Posted by Doug78 View Post
    I dont think you need rivas 3 bar map sensor with an R3. Try with your old map sensor, pretty sure RD has things set for the original map sensor.
    +1 the three bar map doenst work with the reflash thats why its turning off had that problem before

  6. #5
    superair's Avatar
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    I was going to try the old sensor tomorrow.

    So am I understanding it correct that the old sensor will work with the Et 15.5 wheel? I thought it would only read to 14.7. I called Glen and he said I didn't need any reprogramming to run this setup, maybe he didn't understand that I also added the sensor.

    Thanks for the quick replies.
    Last edited by superair; 08-07-2014 at 10:35 PM.

  7. #6
    hdlefler's Avatar
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    Hello superair-
    I have the same wheel and it is set up with rising rate. I am also running pink injectors as well and it runs, idles great.

  8. #7
    superair's Avatar
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    Quote Originally Posted by superair View Post
    I was going to try the old sensor tomorrow.

    So am I understanding it correct that the old sensor will work with the Et 15.5 wheel? I thought it would only read to 14.7. I called Glen and he said I didn't need any reprogramming to run this setup, maybe he didn't understand that I also added the sensor.

    Thanks for the quick replies.
    Quote Originally Posted by hdlefler View Post
    Hello superair-
    I have the same wheel and it is set up with rising rate. I am also running pink injectors as well and it runs, idles great.
    Henry, do you still have the OEM sensor?

  9. #8
    hdlefler's Avatar
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    Yes

  10. #9
    superair's Avatar
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    When is the 3 bar sensor used? I thought I needed it.

  11. #10
    yol937's Avatar
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    Only needed when u use a stand alone ecu

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