NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   3rd Generation Specific (https://www.nopistons.com/3rd-generation-specific-18/)
-   -   CAR BACKFIRES HORRIBLY.....LOSES ALL POWER (https://www.nopistons.com/3rd-generation-specific-18/car-backfires-horribly-loses-all-power-59112/)

herblenny 06-22-2006 07:14 AM

my guess is that its something to do with the turbo since it happens as when primary kicks in..



I don't quite understand how OMP has to do with loosing power. Unless its dumping crap load of oil, which I think you will see oil burning behind.



Also, tell us what kind of boost you see? And does your secondary kick in??

Brainfire 06-22-2006 07:56 AM


Originally Posted by RotaryRevolution' post='817636' date='May 5 2006, 10:14 PM

Then when i tried to drive it home it would lose all power around 2500-3000rpm and if i tried to continue accelleration it would backfire excessively like it has a limiter set at that rpm range.



Believe me, it's in limp mode, and only a few things can cause this, the OMP being a favourite one... there's nothing wrong with your turbo's or anything else, but it's easy to see how it can appear to be things like turbo's, fuel supply, etc...

herblenny 06-23-2006 06:37 AM


Originally Posted by Brainfire' post='825446' date='Jun 22 2006, 04:56 AM

Believe me, it's in limp mode, and only a few things can cause this, the OMP being a favourite one... there's nothing wrong with your turbo's or anything else, but it's easy to see how it can appear to be things like turbo's, fuel supply, etc...



I thought PFC you don't have to worry about OMP and running in limp mode?

Danomite 07-05-2006 08:51 AM

any suggestions on where to get a new OMP..local dealer wants almost 2k for a new one.


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