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I really believe its the fuel as it has happened once before.

My advice is as follows - do not use shell optimax, the first time this happened i had just had a dyno tune and I filled up the next day. I noticed all of a sudden the car wasnt running properly.

I took it back to the place i got it tuned and they checked it out.

They said they couldnt see anything wrong and it may be the fuel, so i ran out the fuel and used Mobil Synergy, reset my ECU and everything went back to normal.

I think this could be the same case although my car isn't lacking as much as the first time.

I went to shell in Narre Warren on the corner of Webb St, and the second time it was shell in Narre Warren on the Pricess HWY.

Thanks for the advice guys

:D

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The only fuel guaranteed to be 98RON is BP Ultimate. The rest dont i've heard.. A few ppl have tested teh stuff in the lab and BP/U always comes out on top..

But i think its a co-incidence that your car is stuffing up after filling up with Optimax however.

Guy's my car is better!!!

I finished the last tank of petrol and refueled with Mobil Synergy and I also added some octane booster.

I reset my ECU and went for a drive and I felt that my car is adjusting back to normal.

What a relief.

Thanks heaps guys for you help

:uh-huh:

Good to see. Mobil Synergy 8000 is great stuff, both in terms of performance and economy.

Optimax can be very varied i have found.. I don't trust it to be consistent that often, but unfortunately its more freely available in melb.

Guys i got more shit news!

Since last tuesday I had noticed a distinct rattle and pin pointed it to my cat converter. Yesterday I had it checked out and straight away I was told my cat was stuffed.

I also found out my cat was for a 2 1/2 inch system when I got a turbo back 3" then after the cat its 3 1/2".

This Monday Im going to get a high flowed 3" cat which should make a lil more noise and improve the flow.

I have to fork out $300 for it although in the end I think its worth it.

You can reset your ECU by having your battery disconected for 24 hours or if you want a short cut disconect the battery and hold your foot on the brake peddal for 2-3mins. Although when you do this make sure your steering is straight and when you have done this go for a little drive and you ECU will adjust itself.

My cat was just stuffed from street driving, although my exaust system could have contributed to it as having the smaller cat restricted the flow, the exaust guy said without me even telling him the story "did you have shit petrol" so I guess that was the cause of my cat going. A new 3" high flowed is $330 fitted, which I am quite happy about.

That a good idea Nismoman18, I hope everything works to plan!

:uh-huh:

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