LCR boost issues

[Murdered LCR]

hi people right my car has stage 2 jabba map whichi love but when i 1st had i mapped it used to spike at 22psi and hold at 20psi in most gears now i seemed to have lost quite a bit im holding some times 18psi some times even as low as 14psi . i have checked all the boost hoses etc to make sure there tight does any one have any ideas ..im thinking the n75 or maf but dont want to fork out on new ones if thats not the issue

 

[virdi]

First thing would be to get it on VAGCOM and see if anything shows up.

Then also do a logging session with VAGCOM and show your results here or to Jabba and see what they say.

 

[Murdered LCR]

Ok thanks will have to try do it not sure how to do logs etc but sure my mates will .

 

[Stu_pot]

If it's degraded over time I would put money on the MAF. But there are obviously a few other factors that would have a bearing on it..

Certainly try cleaning it and then a TB reset.

 

[Murdered LCR]

Yer it has gone over time so guessing its the maf. May try giving it a clean I have recently done a tb clean and reset . Don't really want to buy a maf if it not that tho .

 

[brad1]

Yer it has gone over time so guessing its the maf. May try giving it a clean I have recently done a tb clean and reset . Don't really want to buy a maf if it not that tho .

Clean it out then lol, my maf before was doing the same, held lower psi, i thoroughly cleaned it through with brake cleaner and worked a treat

 

[Murdered LCR]

So maff cleaned and still only 12-14psi would a forge split r dv cause the problem if its 2tight ?

 

[slim20vt]

yes the spilt R could cause the problem.......
there not that great forge didnt get them right,im afraid.

1st thing i would do is chuck the standard dv/or a forge 007 dv on and take it for a spin..
if your mates can let you borrow one for 20mins,then this will give you a idea what is wrong!