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Plz Help R33 Auto Issue

dineth
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dineth Proficient

dineth

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Posted (edited)

Hey guys, I Have a 93 R33 Gts-t Auto

I was wondering if someone could help me with my issue:

Part 1:

I'm ok with my car stuff but this has totally stumped me! I was driving on to the freeway and started to put the foot down when i felt the boost cut come in, but not like usual, not as sudden but more linear if that makes sense....the problem here is that i have set my boost so that i dont ever get boost cut even on cold days!

Part 2:

So i started to keep it at 90ish km/h when the hicas light came on. I pulled over and restarted the engine and the hicas light turned off, now this is when all hell broke lose!

Part 3:

All of a sudden the car started to sound like a big chevy v8 / or sort of like a Wrx. At low revs the inside of the car rumbles and shakes pretty bad and the power seems to be gone...although the boost seems to be still there. The runs like crap now and sounds or feels nothing like my old car! its very rough but the engine itself seems fine, oil is fine, it seems to be from the exhuast but the exhuast seems fine from the outside too. I dont know what it is, i want to get an idea of what can be wrong b4 i give it to someone to have a look at it! the car almost feels and sounds like its running on 4 pistons or something,...but as i said the engine itself seems fine and sounds normal....but the exhuast note is very different.

i dont know if the turbo has gone and is blocking my cat or something, but then again i didnt see a big cloud of smoke and even now i got a mate to have a look and theirs no heavy smoke at all and i still seem to get boost if i put my foot down (but i hvant dont it as much for obvious reason)

I also found that once the car cools and i restart the car, it seems all fine again for about a minute and once i put the footdown even a little bit it comes back again! aghhh its driving me crazy!

PLZ HELP! any feedback is most welcome!

Edited by dineth
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https://www.sau.com.au/forums/topic/176626-plz-help-r33-auto-issue/
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