HELP! engine worry

at 1.2bar when it gets above 4000rpm its like it hits the limiter early the warning light in the centre of the rev counter comes on and the management light to the right of the steering wheel comes on too for about 5seconds then runs normally again. its handled 1.2 in the past ok ive turned it down to 1bar. any ideas what could be causing it?

Specs of the car? Have you got a FCD? Are you BPU?

Seems like you have fuel cut at 1.2 bar.

In case you have stock twins which run a fully decatted exhaust, it can happen that the boost climbs up to 1.2 bar. At this boost level, the stock ecu will switch into fuel cut mode where the red triangle in the center of the dashboard will blink 2-3 times and the throttle is automatically lifted.

What specs do you have??

its stock twins walbero fuel pump and fuel cut defender hks exhaust cat back system and hks induction hks plugs and the boost controller ill keep it at 1bar for now till i get my intercooler and other bits and bobs fitted thanks for your help mate that sounds like what the problem is.

Seems like you have fuel cut at 1.2 bar.

In case you have stock twins which run a fully decatted exhaust, it can happen that the boost climbs up to 1.2 bar. At this boost level, the stock ecu will switch into fuel cut mode where the red triangle in the center of the dashboard will blink 2-3 times and the throttle is automatically lifted.

 

What specs do you have??

ive stock twins mate walbero fuel pump and fuel cut defender hks cat back exhaust boost controller hks induction kit and hks plugs ill keep it at 1bar for now sounds like its fuel cut. how can i avoid it and run the 1.2bar safely?

Specs of the car? Have you got a FCD? Are you BPU?

yes FCD and walbero fuel pump hks cat back exhaust BC and hks induction dont know what else i need to get bpu safely?

Are you running Iridium plugs? Id check the FCD also as a matter of course.

Your fuel cut defender isn't set correctly, possibly it's come out of adjustment over time and is letting the stock ECU see 1bar of boost or more. There should be an adjuster in the unit that lets you tweak the voltage it clamps at, although be careful with this as if you turn it down too low you'll run lean on high boost and lunch your engine for real

-Ian

Are you running Iridium plugs? Id check the FCD also as a matter of course.

yes mate ive hks iridium plugs in it at the moment.

Your fuel cut defender isn't set correctly, possibly it's come out of adjustment over time and is letting the stock ECU see 1bar of boost or more. There should be an adjuster in the unit that lets you tweak the voltage it clamps at, although be careful with this as if you turn it down too low you'll run lean on high boost and lunch your engine for real

 

-Ian

ok mate thanks ill get it checked out asap cheers for your input.