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-   -   Bucking, backfiring, stumble, and rough idle (https://www.rx7club.com/new-member-rx-7-technical-256/bucking-backfiring-stumble-rough-idle-1098862/)

Rx7ADK 04-16-16 12:46 PM

I am sure the stock filter is trashed at this point. I just rerouted the line and bypassed that filter and have a relocated filter now.

TomU 04-16-16 04:18 PM

I just dropped the fuel lines off my roller. All kinds off brown nastiness came out. You may want to purge yours

Rx7ADK 04-17-16 03:23 PM

I tried removing fuel line at firewall and put about 3oz of sea foam in but that didn't do anything. Yah need to purge my fuel tank and lines and clean injectors as well.

I wonder if it's my TPS? I haven't checked that because the notes I see on that requires you to be able to have the engine at temperature and running if my memory serves correctly.

Rx7ADK 04-17-16 07:14 PM

Well......um......so......yah.
Who wants to sell me a fuel tank and stock good condition injectors?


https://cimg7.ibsrv.net/gimg/www.rx7...dd7f660d8.jpeg


also, any direction or advice given here would be helpful.
Should I re-run all new fuel lines under the car?

TomU 04-17-16 09:06 PM

They might be able to be cleaned. I used Marrin https://www.injector.com/injector_service.html. Give them a call. They may be able to asses if they can be cleaned

The fuel lines should be good unless they are rusted. If not, just blow out the old fuel

Rx7ADK 04-17-16 09:19 PM

What's the point in paying for stock injectors to be cleaned when I can get a whole stock fuel rail with clean injectors in them for $50?
Sure, freshly cleaned ones will probably be 5% better than used, clean ones. But, is it worth spend 100-150 bones to have turd looking injectors like these even worked on? One of the screens is actually gone on one injector even. Lol
These injectors looked brand new and worked perfectly before I ran with that fuel tank.

FührerTüner 04-17-16 11:46 PM

That's annoying.

Sgtblue 04-18-16 08:09 AM


Originally Posted by Rx7ADK (Post 12053040)
What's the point in paying for stock injectors to be cleaned when I can get a whole stock fuel rail with clean injectors in them for $50?
Sure, freshly cleaned ones will probably be 5% better than used, clean ones. But, is it worth spend 100-150 bones to have turd looking injectors like these even worked on? One of the screens is actually gone on one injector even. Lol
These injectors looked brand new and worked perfectly before I ran with that fuel tank.

OK. Unsubscribed.

TomU 04-18-16 08:49 AM


Originally Posted by Rx7ADK (Post 12053040)
What's the point in paying for stock injectors to be cleaned when I can get a whole stock fuel rail with clean injectors in them for $50?
Sure, freshly cleaned ones will probably be 5% better than used, clean ones. But, is it worth spend 100-150 bones to have turd looking injectors like these even worked on? One of the screens is actually gone on one injector even. Lol
These injectors looked brand new and worked perfectly before I ran with that fuel tank.

Because you don't know used ones are clean. You also get new pintle caps and O-rings.

Now, if yours are physically broken, you'll need to replace them, but if you get used you should still send them out for cleaning.

You can take the easy route, or the right route.

Rx7ADK 04-18-16 08:52 AM

You are right.
With one of the screens broken, i don't think I have any other choice but to just buy different ones unless you guys know a injector servicing company that also replaces screen/filters on them along with the o rings, caps, and general servicing.

FührerTüner 04-18-16 09:00 AM


Originally Posted by Rx7ADK (Post 12053219)
You are right.
With one of the screens broken, i don't think I have any other choice but to just buy different ones unless you guys know a injector servicing company that also replaces screen/filters on them along with the o rings, caps, and general servicing.

Bro.... everything gets replaced. We're all trying to help you, but you just wanna argue about pinching pennies on every corner. Take the advice and send them out.

Rx7ADK 04-18-16 09:05 AM

No not pinching pennies, trying to spend time correctly. I wouldn't want to waste time sending off injectors that won't have new screens. I have never dealt with these type injectors so it's new to me. I'm just glad my search for problem is over. The injectors is the easy part. Finding a clean tank is going to keep me from running for a while I bet.

TomU 04-18-16 09:25 AM


Originally Posted by Rx7ADK (Post 12053225)
The injectors is the easy part. Finding a clean tank is going to keep me from running for a while I bet.

If it's not rusted, it can be cleaned. It's a pain tho (it's really messy and you have to make sure it's thoroughly dry before adding new gas)

Rx7ADK 04-18-16 11:03 AM

Yah it does have some rust so I'm doing a little researching trying to decide what to do about it. If it wasn't for the baffles it wouldn't be hard to clean this tank up.

FührerTüner 04-18-16 11:09 AM

Electrolysis.


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