NoPistons -Mazda Rx7 & Rx8 Rotary Forum
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NoPistons -Mazda Rx7 & Rx8 Rotary Forum (https://www.nopistons.com/)
-   Performance Mods (https://www.nopistons.com/performance-mods-20/)
-   -   What does a fuel pressure regulator do? (https://www.nopistons.com/performance-mods-20/what-does-fuel-pressure-regulator-do-3403/)

13BAce 07-03-2002 08:01 AM
Originally Posted by vosko' date='Jul 3 2002, 01:51 AM
mine starts on the second click with the walbro in it
So they're all like that?

OKIERX-7 07-03-2002 01:08 PM
Originally Posted by 13BAce' date='Jul 3 2002, 06:20 AM
[quote name='OKIERX-7' date='Jul 3 2002, 01:16 AM']That didn't seem to be the problem here. I would pull the plugs after attempting to start mine and the plugs would be soaked in fuel.

I can't wait till I get the new pump tomorrow. Hopefully, it pops right over.
Hopefully it's not your stock FPR. My friend had one fail and it wasn't releasing any pressure.[/quote]

I've been thinking it would be good to test the stock FPR as well. I just haven't had the time or tools. With the NA pump in the car ran fine, when driven around the block at low rpms. So, I'm hoping that means the FPR is fine. The new pump came in this morning and as soon as I get my injectors back, I'll let ya know what happens.

13BAce 07-03-2002 08:06 PM
Originally Posted by OKIERX-7' date='Jul 3 2002, 04:08 PM
[quote name='13BAce' date='Jul 3 2002, 06:20 AM'][quote name='OKIERX-7' date='Jul 3 2002, 01:16 AM']That didn't seem to be the problem here. I would pull the plugs after attempting to start mine and the plugs would be soaked in fuel.

I can't wait till I get the new pump tomorrow. Hopefully, it pops right over.
Hopefully it's not your stock FPR. My friend had one fail and it wasn't releasing any pressure.[/quote]

I've been thinking it would be good to test the stock FPR as well. I just haven't had the time or tools. With the NA pump in the car ran fine, when driven around the block at low rpms. So, I'm hoping that means the FPR is fine. The new pump came in this morning and as soon as I get my injectors back, I'll let ya know what happens.[/quote]

The best way is to get a fuel pressure gauge.

vosko 07-04-2002 12:31 AM
Originally Posted by 13BAce' date='Jul 3 2002, 09:01 AM
[quote name='vosko' date='Jul 3 2002, 01:51 AM']mine starts on the second click with the walbro in it
So they're all like that?[/quote]

i dunno. maybe mine is *special* https://www.nopistons.com/forums/pub...>/rolleyes.gif

13BAce 07-04-2002 09:05 AM
Originally Posted by vosko' date='Jul 4 2002, 03:31 AM
[quote name='13BAce' date='Jul 3 2002, 09:01 AM'][quote name='vosko' date='Jul 3 2002, 01:51 AM']mine starts on the second click with the walbro in it
So they're all like that?[/quote]

i dunno. maybe mine is *special* https://www.nopistons.com/forums/pub...>/rolleyes.gif[/quote]

Yes, special. :P

OKIERX-7 07-04-2002 07:54 PM
"Special" like the little bus....



Yea! my car runs again!! I put the low pressure walbro in and it starts up fine. I have a power issue, but I think its still running rich. I pulled my plugs and the front rotors plugs are black i.e. rich condition. The rear rotors are spotless however ?! Also, boost is low, maybe around 6psi at WOT. I attribute the low boost to the rich condition =, but the rear plugs looking spotless while the fronts are black puzzle me. Surely, I connected the injectors back correctly?? Correct me if I'm wrong but the injector plugs are wired by rotor and not by primary/secondary right?



And "yes" the timing and coils are good.

OKIERX-7 07-05-2002 07:59 PM
Nevermind that last post. It all works now! All I can say is OMFG! so much better than the stupid NA!


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