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View Full Version : Power cutting out at 7k in 3rd on PS13



Jeff
28-04-2007, 16:45
Putting this here as it's for my red top SR20DET powered PS13, so might be more relevant to either set of owners :)

When I hit just under 7k rpm in 3rd, the power gets completely cut. It's different to the limiter, which I can hit in 2nd no problem at about 7.5k rpm. It's also not the speed limiter, as I have done over 120mph in top (on a private track).

So firstly I don't know what this is, secondly the behavior of the car after is bizarre. With WOT there is boost showing on the boost gauge but NO power :no: Once you come off the throttle and then go back on, the power comes back in :wack:

There's no smoke when this happens, no misfiring, just no power but full boost :( It's not a major issue as I can change up before 7k in 3rd :ghey: :D but it is very confusing :confused:

I'm guessing this may be ECU related rather than anything mechanical but TBH I've no real idea, so any thoughts appreciated :sxoc: :notworthy

Clouder_sx
28-04-2007, 18:54
Fuel cut maybe?

Leezon
28-04-2007, 23:07
Your clutch cant take it ?

m.d.
28-04-2007, 23:09
you also dont need to rev it that high for maximium acceleration

Butters
29-04-2007, 11:21
sounds like fuel cut.

do you have a chip?

i presume you know what fuel cut is?
(like slamming on the brakes & engine completly stopps)

Rude Dog
29-04-2007, 16:42
Jeff, a couple of guys here are suffering exactly the same problem as you. They list what theyve tried so may help narrow it down but as yet they've not found the answer. Not sure if you'll need to register to read it but its worth a look. http://www.houston240sx.com/forums/showthread.php?t=21345

Rude Dog
29-04-2007, 16:43
Also a thread here http://www.houston240sx.com/forums/showthread.php?t=21531

Jeff
29-04-2007, 17:26
Your clutch cant take it ?
The clutch doesn't slip, the engine just makes no power i.e. won't rev :(

you also dont need to rev it that high for maximium acceleration
True, which is why it's not a massive problem :) It is weird though :confused: and I'd like to understand what's happening.

sounds like fuel cut.

do you have a chip?

i presume you know what fuel cut is?
(like slamming on the brakes & engine completly stopps)
Yeah, thought it could be something like that but the behaviour is a bit too repeatable i.e. it does it at exactly the same revs in 3rd every time, irrespective of the weather etc. I don't know if it does it in 4th or 5th as I've not hit 7k rpm in either of those gears.... yet :D

Also a thread here http://www.houston240sx.com/forums/showthread.php?t=21531
Thanks for the info Rude :thumbs:

Any more opinions appreciated :nod: