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Hmmm i've forgotten some details from the start but.. so you'll be driving.... and you give it a bit and it sorta just cuts everything... then comes back on?? If you hold that throttle will it keep doing it? My car did this for a bit ages and ages ago... I put new plugs in and it went away for a couple of months... and then i changed the plugs again and it hasn't come back... so i suggest you change the plugs and see if that makes a difference.

I think the stalling issue might be completely seperate to the loss of power issue. Check the gasket on the bov and also the condition of the valve as many people have issues with atmo bov's and rough idles/stalling issues.

gday mate,

i used to have a 95 r33... some of the 95's are a series 1.5, they are a series 1 shape, but have a series 2 engine. which can be a pain when people tell you ser1 problems and cures, that ser2 might not have.

my 33 had a similar problem.. took nearly 9 months to find it. we tried all sorts of tuning, coils, plugs, fuel issues... turned out it was a very fine split, on the underside of the hot intercooler pipe that goes through the body, just under the pod. vibration had caused it to cut very finely and just enough to play with things, but not gush out completly... it wasnt until it cut all the way through and wouldnt run that i found it. it would run and idle ok, boost it though and it would rich up so much that it wouldnt run.

just a thought... hope its something simple like that... i spent thousands... had a nice package by the end, but it was all for the wrong reasons and sold it not long after it got going properly... wish i didnt but anyway.

cheers

Linton

  • 2 weeks later...

ok i got the car dynoed. and as usuall it didn't play up. made 202kw which i was happy about. but driving it day has just pissed me up the wall. i gave it a bit of a rev out through all the gears and 1st was fine, 2nd was ok too as soon as i got into 3rd it was like it would have power for a sec, then feel really flat for a few seconds but boost and revs still kept going up, then it would have power back and then gone again. I am just sick of this car feeling really flat whenever it feels like it. then after doing that and driving around a little bit more. i did exactly the same thing and it reved out so smoothly and had heaps of power all through the rev range....... what the hell is going on with my car. I have cleaned out the AFM with electrical contact cleaner but that hasn't made a difference. Oh and on the dyno it was running slightly lean just on boost and at peak power. But he said if it was his car he would tune it to that ratio... im trying to get a AFM to test if that is the problem but no one seams to have a "working" spare one. The only other thing i was thinking is fuel pump.. and the fuel tank was full.

  • 2 weeks later...

Mine was doing a similiar thing. Half to 3/4 throttle would go hard but full throttle would feel like something was holding it back. Changes A/F meter and plugs then put it on a dyno. Found it was leangin out bad and that the timing was out a bit. Tuner had it fixed in no time. Cost me bout 300 all up and now goes hard as f**k.

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