john2001

iTrader: (1)

Hi I have a bugeye and its started to det after about 5.5k revs. Has anybody else had a similar problem or advise what to check.
I know it's bad so im not boosting it high until it gets fixed. Car is almost standard just has cat back exhuast filter and electronic boost controller
Thanks john

JDM_Stig

iTrader: (3)

remove the electronic boost controller and get it mapped properly imo

Turbotits

iTrader: (2)

So youve upped the boost without any fueling changes? Its worth looking at the fuel pressure. Maybe the pump is tired.

john2001

iTrader: (1)

hi thanks for replys but i have owned the car for over a year its running less than 1 bar of boost and this is a new problem. Nothing has been changed boost has not been increased this is how it has been since i brought it. Im only using it on low boost to be safe.
Yeah i was wondering about fuel pump it has done a lot of miles

Tidgy

get it to a specialist and on a dyno, find out what the map is doing.

Also how do you know its detting?

john2001

iTrader: (1)

Can hear it

Turbotits

iTrader: (2)

Wow if you can hear it by ear as above get it looked at pretty quickly

wms-racing

Check the pipe that goes from the inlet to the fuel pressure reg, they can fail and drop fuel pressure.

john2001

iTrader: (1)

Hi thanks will check that pipe tomorrow

Jolly Green Monster

iTrader: (4)

also check for splits in the inlet pipe.. seeing more and more with splits

MartynJ

And that the CAT in the up-pipe hasn't melted severely blocking the flow of exhaust gasses, very common failure.

john2001

iTrader: (1)

checked the pipes but all seem ok