Hi guys,

Has any one expericed the above?

Car drives fine in 1st 2nd 3rd, it pulls fine in 4th full Throttle full boost @1.5bar, the same boost as in every other gear,

Then every time I get to 5500rpm in 4th it's cuts and then carries on pulling at full boost again, no problem in 5th either.

No check engine light or any other probs.

It doesn't matter if I do a standing start up to 4th or cruise in 5th, drop down to 4th the problem is still there.

I can get past it by letting off the throttle a little and then putting back down.
MY99 RB5 EJ20
Spec: turbo back mongoose exhaust, VF35, hi pressure fuel kit ZEN Performance map, 3port boost solienoid, blitz induction kit.

Cheers.

 

From personal experience, I would suspect overboost.
Mine did this on trackdays and manifested as an immediate power cut for about 1/2 sec which is not what I like on WOT.

 

Boost gauge only read to 1.5bar.

It will probably do it in 5 th also but 5500rpm is fairly fast.

Needs a map correction.