Does Neone Know What This Can Be?

[Daboss]

Hey forum I need some assitance please. Does ne1 know what this problem can be, firstly I have a 95 gtst with a few mods simple stuff an ebc lo boost setting 11psi iridium spark plugs gapped at 0.7 and my stock air box was replaced by an air filter. The problem is when boosting especially in second running say at about 5000 rpm onwards boost at 11psi the car feels like it lunges forward then drops off then lunges againg does ne1 know what this can be and the boost guage shows the boost following the same pattern falling off to say about 9psi then back up to 10 or 11psi. i was wondeing if the car is miss firing or is this another problem any help would be greatly appreciated.

[BHDave]

Does your ebc have over boost protection? Most do and what you have described seems to match how it performs.

If it does, check the settings and make sure it isn't set too low

[Daboss]

Does your ebc have over boost protection? Most do and what you have described seems to match how it performs.

If it does, check the settings and make sure it isn't set too low

Yes it does have overboost protection which I have set to 16 psi. Im not an expert on these kinda things but doesnt that seem a bit high for stock boost the 16 psi and those few mods also i dont think its the overboost protection cause when it is activated it alerts me and it doesnt alert me when this happens. It just does this normally. Besides the mods I mentioned everything is stock do you have any suggestion for my boost settings at the moment they are lo 12, hi 15, over boost warn 16, wastegate starts to open at 3 and when over boost is initiated it limits boost to 63% of 16.Also there is a settingnamed gain that opens and shuts the wastegate 100% being the quickest and 1% being the slowest I have that set to like 30% but if I redline first or second and third i get the over boost warning. Wat can it b? Any help is appreciated. Thanks.

[Kennedy]

I have a headache

[Godzilla32]

Me too, but i bet if you check coils/plugs etc you will find its misfiring and when it does this you loose power then get it back and it feels asthough its 'lunging' Check your coils for hairline cracks and signs of arcing. If your not sure how to do that get a mechanic to. They will instantly be able to tell you if its misfiring with a drive of it.

Deren

[Daboss]

Me too, but i bet if you check coils/plugs etc you will find its misfiring and when it does this you loose power then get it back and it feels asthough its 'lunging' Check your coils for hairline cracks and signs of arcing. If your not sure how to do that get a mechanic to. They will instantly be able to tell you if its misfiring with a drive of it.

Deren

Lol yea it is a big pain in the a$$ I been having headaches and migraines trying to figure this $h!t out and I'm a total noob.Like you said I'll just carry it to a mechanic and spend a couple of bucks rather than completely f up my ride.