Noob fuel questions

by **celigts** » Sat Mar 24, 2012 7:02 am

So changed out my fuel filter and it had horrible rust in the fuel as I was told.

So he suggested I get my injectors sonic cleaned and have the fuel tank sock changed.

Is this all necessary or is there a way to clean the injectors with an additive and is it a PITA to change the sock? If there is one.

Edit. I'd also like to know if and what good minor upgraded injectors I could get and for what price if replacing them is the best method and cheapest

by **underscore** » Sat Mar 24, 2012 7:28 am

rust in the fuel? personally I'd be dropping the tank and cleaning it out, flushing out the lines and rail, replacing the filter and getting the injectors cleaned.

by **4rsnduction** » Sat Mar 24, 2012 9:51 am

underscore wrote:rust in the fuel? personally I'd be dropping the tank and cleaning it out, flushing out the lines and rail, replacing the filter and getting the injectors cleaned.

Sounds like you just listed everything involving the fuel system from one end of the car to the other

I agree with underscore, if there is actually rust in your system you remove absolutely everything and clean/replace it.

celigts wrote:So he suggested I get my injectors sonic cleaned and have the fuel tank sock changed.
Is this all necessary or is there a way to clean the injectors with an additive and is it a PITA to change the sock? If there is one.

There is no such additive ....you just made it up :nono:

Rust is still metal, its just been oxidized.... so how can you introduce a metal eating liquid into your fuel tank and not f*** the rest of your car up.
This isn't the type of thing you want to cheap out on or take a half assed approach just because its a big job.

celigts wrote: I'd also like to know if and what good minor upgraded injectors I could get and for what price if replacing them is the best method and cheapest

Dont put in larger injectors unless u have a computer to control them, stock injectors are good for 350hp

by **underscore** » Sat Mar 24, 2012 2:39 pm

that was my intent

by **celigts** » Sat Mar 24, 2012 5:22 pm

Haha guys I knew pretty well there wouldn't be a liquid to eat the rust away. Worth asking tho

So if the injectors are good till about 350hp then are jdm and usdm the same ones? Cuz I've got a rail and injectors from my old motor I could get cleaned and swap into this motor.

As for the fuel tank... How would I go about cleaning that? Would I have to open the hole in the hatch and unplug something or would the bgb tell me what to do?

by **underscore** » Sat Mar 24, 2012 8:42 pm

get your old injectors and rail cleaned and balanced, while that's being done drop the tank and clean it out, and run some fuel through the send/return lines to the engine bay til clean fuel is all that comes out.

by **4rsnduction** » Sat Mar 24, 2012 8:51 pm

Compared to most new passenger cars the fuel tank in the celica is heaps easy to remove, its located under the car at the rear end.
I have never removed the fuel tank myself so im not 100% sure how to do it, but while installing the fuel tank aluminium bash plate i could see 3 metal style straps holding the tank to the chassis. It should be a simple process, just remember to have the fuel pump/filter assembly removed from the tank before you drop the tank, access to that is under the boot carpet...next to the spare wheel.....

My 2cents,
Get a shop to do the work, make sure you trust the people doing the work on your car......alot of mechanics are shit heads who just f*** things up, do quickie patch repairs and 2 weeks later something breaks while your driving :bangshead:

by **celigts** » Sat Mar 24, 2012 11:20 pm

That's good to hear it shouldn't be to much work to remove the tank!

Talked to my very trust worthy mechanic and he said it should be around 4hrs labour to remove the tank and diagnose if it has lots of surface rust in the tank or what is causing the rusty fuel.

He will be selling me his walbro for $60. I'll be having my old injectors sonic cleaned for around $100.

He suggested I replace my relay switch for the fuel pump and I'm wondering where I can get one and what cost I'm looking at.

by **celigts** » Mon Mar 26, 2012 7:26 pm

Will seafoam get rid of most rust deposits in my gas tank? Or will it be my best bet to drop the tabk

by **jaydog82** » Mon Mar 26, 2012 8:52 pm

Drop the tank and have it cleaned.

by **celigts** » Mon Mar 26, 2012 8:56 pm

I was thinking I should just go through with it.

Hard to swallow another big bill tho.

by **dustinbart** » Mon Mar 26, 2012 11:34 pm

If youve got the money do it....but if you dont deff try seafoam. I had an alltrac that sat for 7years which had nasty rusty smelly gas and i was down on my chips at the time, i drained it put new gas in and it would start but it didnt want to move anywhere stalling out when i gave it gas. I changed the fuel filter filled my tank and used seafoam
For my next three fill ups and all my problems slowly went away (took about 2-3 weeks). Now im boosting at 17psi and running down sti's. Seafoam works from my experience just give it time....but like i said if i had the money i would have done whats been mentioned above maybe i lucked out?

by **celigts** » Tue Mar 27, 2012 12:47 am

Well see that's my problem is I can afford it but I have other things I need done to like my rear end links, full suspension( shocks are all shot ), and now I'm seeing oil coming out of the manifold so I've got problems all around.

I have heard of more then one story of seafoam working magic like this so I think I will do that. Cuz estimated the tank removal an repair to be around $400 do in the near futur I'll have that done. I'm gonna proceed and have the injectors cleaned and rail as well.

Any other fuel related parts I should look into?

Would it be wise to change my fuel filter in a month or too as well to make sure after cleaning all the stuff out to keep it cleaner with a new filter?

by **C-dubb** » Thu Jan 10, 2013 4:29 am

4rsnduction wrote:
underscore wrote:rust in the fuel? personally I'd be dropping the tank and cleaning it out, flushing out the lines and rail, replacing the filter and getting the injectors cleaned.

Sounds like you just listed everything involving the fuel system from one end of the car to the other
I agree with underscore, if there is actually rust in your system you remove absolutely everything and clean/replace it.

celigts wrote:So he suggested I get my injectors sonic cleaned and have the fuel tank sock changed.
Is this all necessary or is there a way to clean the injectors with an additive and is it a PITA to change the sock? If there is one.

There is no such additive ....you just made it up
Rust is still metal, its just been oxidized.... so how can you introduce a metal eating liquid into your fuel tank and not f*** the rest of your car up.
This isn't the type of thing you want to cheap out on or take a half assed approach just because its a big job.

celigts wrote: I'd also like to know if and what good minor upgraded injectors I could get and for what price if replacing them is the best method and cheapest

Dont put in larger injectors unless u have a computer to control them, stock injectors are good for 350hp

At the crank or wheels? At what duty cycle, and at a safe AFR, at WOT? And in what world?

by **Mafix** » Fri Jan 11, 2013 4:16 pm