All Things Mk5 > Mk5 General Area
boost problem.....again
WhiteGTI:
Do the battery thing first Joe.
If the MAF was playing up then the car would not be running well, i.e. a little hesitant, lumpy, jerky etc. But i suppose its worth a go, seeing as its so easy to do!
RedRobin:
--- Quote from: joesgti on March 05, 2009, 09:54:46 am ---
my car doesnt seem to boost past 10psi in 1st or 2nd gear then in 3rd 4th 5th 6th it boosts to 20psi but only when its past 3000 revs!!??
it was in for diagnostics yesterday and no boost leaks were found, and the car seems to be healthy.
ive just been on the phone to the tuning company who mapped my car and they have told me to disconect the battery for 30 mins??? doubt this will do anything but has anybody else hurd or anything like this or can anybody suggest anything?
--- End quote ---
....Responding as you asked, Joe, and sorry to hear about this problem.
With my boost leak problem I didn't have the 10 psi / 3,000 rpm characteristic and also diagnostics showed a boost leak but not what was causing it. As described in my thread in the Troubleshooting forum, JKM then checked for physical leaks by a process of elimination.
How experienced are your tuners with the 2.0T FSI? Don't their diagnostics include data logging and what shows there?
HTH
joesgti:
it was in for diagnostices at awesome-gti yesterday, and they know the 2.0t fsi platform very well as you would expect, but couldnt find anything, which got me thinking it may be a cracked turbo like yours.
will report back tomorrow once i have tried the battery thing,
the cars still rapid and doesnt feel any slower, its almost like a v-tec
RedRobin:
--- Quote from: joesgti on March 05, 2009, 01:35:39 pm ---
it was in for diagnostices at awesome-gti yesterday, and they know the 2.0t fsi platform very well as you would expect, but couldnt find anything, which got me thinking it may be a cracked turbo like yours.
--- End quote ---
....I didn't realise it was Awesome - Thought I read celtic-something.
A cracked turbo/manifold would probably show as a boost leak in diagnostics, so you appear to be safe from that.
:happy2:
joesgti:
--- Quote from: RedRobin on March 05, 2009, 01:47:06 pm ---
--- Quote from: joesgti on March 05, 2009, 01:35:39 pm ---
it was in for diagnostices at awesome-gti yesterday, and they know the 2.0t fsi platform very well as you would expect, but couldnt find anything, which got me thinking it may be a cracked turbo like yours.
--- End quote ---
....I didn't realise it was Awesome - Thought I read celtic-something.
A cracked turbo/manifold would show as a boost leak in diagnostics, so you appear to be safe from that.
:happy2:
--- End quote ---
celtic tuning were the mapping company, :smiley:
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