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R32 Gtr Problems

GTR_NUTZ

By GTR_NUTZ,
in Engines & Forced Induction

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GTR_NUTZ

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Posted

Hey,

I've searched the forum looking and hopping to find a cure for what ever is wrong with my car, I've done some things people have listed and so far nothing... This is my pickle...

I pas going to put this down as bad fuel but I've had about a tank and half since then from another BP...

When I'm driving, foot on the peddle just coasting along, and all of a sudden-out-of-the-blue, rev's drop (a lot) , no power, and a little bit of a cough, splutter and a small fit. If I try to plant it it just makes it worse and it keeps on coughing. If I put the clutch in the rev's drop that much it almost stalls. If I put the clutch in and give it a small kick on the go-fast-foot-rest, he's all good.

Ever since this started happening which was about a week ago it feels like it doesn't have the same pull. (I don't know if I've gotten used to the boost or what...)

I've just changed the fuel filter and that was a bitch... I've added a small bit of injector cleaner too and the problem is still there. But I will admit the pulling sensation does seem a bit better.

So here's the question.... Any I dears ?

The more I dears the better,

Thanks in advance

Justin.

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GTR_NUTZ Collaborator

GTR_NUTZ

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OK, I don't know what you mean when you are refering to a " cas " if your trying to say my car has shot its self, then yeah... As for the tacho needle, yeah it drops.

On my way to get some plugs it happened all over again. I just finished changing the plugs and took it for a boot. When I was giving it stick there was a heap load of miss firing going on. And as I was changing the plugs I noticed the air pods are all dirty, like black, dirty. Turns out for some reason oil is coming out from one of air pods...

Not healthy, I know...

I'm not to sure if its all the blow by / blow back gas or maybe one of my turbos have gone kapoot... My old man said something about the PCV Valve might be shot and causing the oil business...

Just what I always wanted... A whole new kettle of stupid fish.

Anymore I dears?

aphid Proficient

aphid

Posted
Posted

Had the same symptoms on my 33 gts-t, was the cas.. I took it apart afterwards and it turned out that a piece of metal had shimmed off inside and was randomly blocking the led inside of it.

Another thing to check that causes similar symptoms would be your air flow meters. Over time the solder joints on the inside of it go brittle and snap, causing random voltage fluctuations inside the ecu causing you to run rich and misfire under load.

If you're blowing dirty amounts of black smoke (fuel) then I'd be looking at the afm's, if it's just a little random black smoke then I'd say the cas (Retarded ignition as opposed to no ignition at all :P

Wouldn't be overly worried about the oil coming out of one of your pods, I'd say it's actually venting somewhere, perhaps as your father said the PCV valve then getting sucked back in through the pods, causing it to build up on the outside of the filter. Sit down one weekend with about 10 cans of that nice $2 degreaser you get and clean out the engine bay, as it'll have shitloads of dirt & grime built up, and once it's clean you'll be able to spot oil leaks alot easier :)

  • 3 weeks later...
GTR_NUTZ Collaborator

GTR_NUTZ

Posted
  • Author
Posted

OK... Check this shit out.

The other weekend I took off the air filters and the air mass meters to give them a clean. WhileI was doing it I noticed in the front turbo pipping a nice little puddle of oil right in front of the turbo housing. I cleaned up as much as I could and cleaned the air mass meters with loads of break cleaner, threw them back in a and went for a spin. It all seemed good untill after a 10 mins or so and the same problem came back.

My thought is... Because all the oil is (possible) leaking out the turbo, going through the cooler and to the plennum / bov's and when it creats boost and back off the bov's let it out (but not all the bost), and so come of the pressure is kept inside the plumbing forcing back and blowing / spraying the air mass meeters with oil and and giving it a faulty reading and there fore giving me the shits. (ya dig?)

I left my car with a mechanic mate of mine for the week and let them play arround with it. They told me exactually what I told them... I appriceate it, but they are like titts on a bull...

  • 2 months later...

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