Jump to content
SAU Community

Recommended Posts

The car before started before but would not exceed 3k rpm. I ordered a walbro 255 and a fuel filter and put those both in and I went on a drive and the car was doing fine for about 2 minutes then it just started dying. Now the car has a rough time starting and if it does start it will die 15 seconds after. If I rev the car at 1.5k then its fine and I can drive (which I haven't been doing, I had to get the car from bottom drive way to inside garage). The car does go above 3k rpm now but there's another problem. These problems happened when I put a air filter on and changed the fuel tank seal. I put the old seal back on and bought another maf sensor and tried the old air filter box but no luck.

Seems like the problem is still fuel. could it be the injectors?

 

Thank you

Link to comment
https://www.sau.com.au/forums/topic/484471-r33-gtst-instantly-dying/
Share on other sites

I used a pry bar to check each fuel injector and they were all making a clicking sound the same speed.

 

13 hours ago, Dose Pipe Sutututu said:

Did you use non submersible fuel hose inside the tank?

I used all the same hoses besides the small one that came with the fuel pump to replace the oem one.

 

15 hours ago, Duncan said:

Since we are all wild guessing, I think there is some crap in your fuel tank. Try changing the fuel filter again and see if it improves for a while

I changed the fuel filter again an hour ago and the car still dies fast

 

22 hours ago, Ben C34 said:

Fuel tank seal can't do anything like you describe, it's odd you changed it back.

How much oil is on the air filter?

 

How dodgy is the maf sensor wiring?

oil in the air filter? There's fuel in the fuel filter and there's no oil in the air filter. The maf sensor wiring looks to be in good shape.

Edited by Templim
28 minutes ago, Templim said:

oil in the air filter?

Yes, because....

23 hours ago, Templim said:

tried the old air filter

implies that there was a pod filter of some sort on there and some of these use oiled fabric/foam filter elements, not paper. Which is a very bad idea on AFM equipped cars So it was a sensible question.

 

Have you got any ECU fault codes? Have you got a gaping hole in a boost pipe somewhere?

No ECU fault codes. I just tested that when I unplug the maf sensor then the car doesn't die anymore put it just keeps reving a 500 then down 500 then back constantly.

 

I guess something with the maf wiring

 

There was the regular oem box filter on then I put a isr intake on there. I tried both but still was having problems and with another maf that I bought

10 minutes ago, Templim said:

Is there another way of fixing the car?

If we knew what was wrong with it we could answer this question. These sorts of across the internet diagnostics are close to impossible. It always turns out to be something like "a rat ate one piece of wire and a solar flare damaged this other component and I found a stick of salami in the boot that was crimping a hose over".

Take it to a decent mechanic/auto elec.

1 hour ago, Templim said:

Is that really the answer? I would need a tune if a buy a new ECU right? Is there another way of fixing the car? 

Well, it's not 'the' answer but it is 'an' answer lol.

It's like if your stock turbo dies, do you really spend $$ to put another stock turbo in there? 

Your average car dude loves a good excuse for an upgrade. I'm just saying this is a good excuse to put the MAF in the bin with a cheeky ECU upgrade. 

And yes, if you get an ECU it will need to be tuned. 

  • Like 1

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now


  • Similar Content

  • Latest Posts

    • Hows your intake piping? Are you still running stock? Having in the stock AFM position would mean, if the BOV was shut/venting out, it'd create the almost stalling kind of effect right // "the rich pulse behaviour" due to MAF thinking air is flowing ? But this would be better than having the bov in the stock position + MAF on/just before cross over piping right?
    • Essentially, yes. Although I wouldn't put the AFM on the crossover pipe. I'd want to put it into what amounts to the correct size tube, which is more easily done in the intercooler pipework. I bought a mount tube for card stile AFM that replaces the stock AFM - although being a cheap AliExpress knockoff, it had not flange and I had to make and weld my own. But it is the same length and diameter as the stock RB AFM, goes on my airbox, etc etc. I don't have a sick enough rig to warrant anything different, and the swap will take 5 minutes (when I finally get around to it and the injectors & the dyno tune).
    • So to summarise, the best thing to do is to move recirc to between turbo and IC, and maf on the crossover pipe. Meaning I'd need a recirc flange, drill a hole in the piping on turbo outlet area. And drill hole on crossover to fit/weld maf sensor? Either that or put the MAF on the turbo inlet right?  Is an aftermarket recirc/blowoff valve recommended? Do currently have family in Japan so could probably bring something back with maybe a cheeky lil SuperAutobacs run?
    • Yep, so far most have said that it looks like corrosion on the wall from piston not moving. Which then has probably damaged the oil rings and caused those vertical marks. The longest the engine was still after the rebuild, was the winter of 2018 - 2019, plus the boat trip to Japan. When I shipped the car, it had normal gas in the tank but before that winter pause, it had E85 in tank.  In any case, even if either one of those was the cause, it happened close to 6 years ago and the car has been driven something like 30 000kms after the fact. Again, apart from the plugs and the dip stick, there is nothing in the way the car runs that would indicate what has been going on in the engine. I am going to consult a shop and ask their opinion, what would be the best approach. I do have some access to a garage I could use to diagnose further myself, but time is very restrictive. Might end up buying another engine that could be used while this one is being remedied. Without pulling the head, it will be impossible to find out if it needs another bore, but here's to hoping a hone would suffice.  Goddamnit, I would really have preferred this not happening.  
    • Boot is going to be replaced eventually. I just wire brushed what I could and rust converted. Then painted in rust kill primer. the spoiler also got repainted and plugs replaced on the ends. The under side of the bonnet is going to be black also, currently white. But red on the top side, same colour code as the silo to begin.
×
×
  • Create New...