NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   1st Generation Specific (https://www.nopistons.com/1st-generation-specific-16/)
-   -   Too Much Fuel Update (https://www.nopistons.com/1st-generation-specific-16/too-much-fuel-update-8372/)

Hereonout 12-14-2002 12:27 AM

ahh both rotors are good, im not worried about internal, everything checks ok inside there buddy. what can u tell me about a fuel check and cut valve? next on the all-mighty list of ideas. i feel another trip to the junkyard coming on.

Hereonout 12-14-2002 12:57 AM

ok get this. the vent and check valve goes to numerous hoses and pipes and ****, one of which may go to the carb....one line goes from the vent check valve to thefuel tank....now the check and cut valve is located by the gas tank and has two hoses coming from it, if its by the gas tank u would assume it would have something to do w/ the fuel flow, so .....possibilities are arising. taking a trip to the junkyard monday and going to get both of those damned emission parts:(

prince 12-14-2002 08:43 AM

be sure to put the check valve on correct, only flows one way, the same thing for the fuel return line valve by carb (if you have one)

Hereonout 12-16-2002 02:04 PM

.......ok i cant ******* figure it out...why would a car die when the gas is pressed?....what could happen overnight while a car's sitting still?

j9fd3s 12-16-2002 02:21 PM

the check and cut valve is to stop the fuel from siphoning out when you turn the car upside down, you do do that periodically right?



mike

Hereonout 12-16-2002 09:40 PM

cant say i have recently.......sounded like an idea though. got any of those?

drifter 12-16-2002 10:08 PM

This might have already been suggested, but have you checked all the hose connections for the vacuum system. I've had 2 different cars that would drive like a bitch unless I floored it and/or took heaps of herbs to start up. Then I found that two hoses were split in one of the cars and in my recent aquisition, one had broken off. As soon as I fixed them, it started every turn and ran smooth (well as smooth as they can). https://www.nopistons.com/forums/pub...IR#>/dunno.gif

Just a thought... cos your carby sounds like it should be right...

Hereonout 12-16-2002 10:19 PM

buddy you have been the closest to my problem than anyone out here, and no offense to anyone because you guys have helped me find a lot of things that i needed to know, but do you know what two hoses, because there are maybe 2 that are pluged w/ ****, but i bought it like that, and it ran fine like that.

drifter 12-16-2002 11:43 PM

just trying to find a pic to demonstrate. https://www.nopistons.com/forums/pub...#>/BURNOUT.gif

drifter 12-16-2002 11:59 PM

Have you had a look at the mitchell service manual? You can download it free from http://www.iluvmyrx7.com. If you can, look under the engine performance section, it has a whole heap of stuff. I'm limited on my work computer, I'll try and get a pic off my laptop in about 10mins.


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