Post K04 install problems continue...
08-07-2006, 02:48 PM
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Post K04 install problems continue...
hey everyone, ok, got another problem...
ok, so right now my car has the bailey's diverter valve, awe front mount, and the APR k04 kit and the apr inlet hose.
I installed the K04 yesterday and had the normal overboost code and limp home mode due to not having the K04 software.
Today I went and had the K04 software and all programs installed.
Now when it hits boost i'm still getting the overboost code and even when i have the computer in the stock mode it still boosts way up to 25psi peak....
I called APR and they said to put the stock diverter valve in and go from there, something doesn't seem right.... any opinions?
-jon
ok, so right now my car has the bailey's diverter valve, awe front mount, and the APR k04 kit and the apr inlet hose.
I installed the K04 yesterday and had the normal overboost code and limp home mode due to not having the K04 software.
Today I went and had the K04 software and all programs installed.
Now when it hits boost i'm still getting the overboost code and even when i have the computer in the stock mode it still boosts way up to 25psi peak....
I called APR and they said to put the stock diverter valve in and go from there, something doesn't seem right.... any opinions?
-jon
08-08-2006, 06:11 AM
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I don't know why people have been thinking this... I personally have had both valves on my car
The F - boost comes on faster and it boosts on average 1-3 PSI more than C. They are definitely for differen t applications. I've gotten overboost codes and even throttle closing from the F valve
08-08-2006, 07:01 AM
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so what valve do you think i have now? its the stock one whatever it is...
this morning before coming to work i ripped the damn apr inlet hose out of there and put the stock diverter valve back in and now i don't have any problems at all BUT i'm not seeing as high spikes in boost as i did back with just stage 1+. now in 91 and 93 octane modes i'm seeing peak psi at around 19psi.
I did notice though when i took the APR inlet hose out the vac line going to the wastegate was a little pinched, that inlet hose could be better designed in my opinion, it forces the lines to be stretched no matter how much you adjust things. so i'm wondering if this is what was causing my problems, tonight i'm going to throw the bailey's diverter valve back in and see what happens.
I did notice though when i took the APR inlet hose out the vac line going to the wastegate was a little pinched, that inlet hose could be better designed in my opinion, it forces the lines to be stretched no matter how much you adjust things. so i'm wondering if this is what was causing my problems, tonight i'm going to throw the bailey's diverter valve back in and see what happens.
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08-08-2006, 07:39 AM
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no, not really but to be honest, might have gotten pinched when i put everything back together....
we'll see how it goes tonight when i first try out the diverter valve because i'm thinking the lower boost pressure is jsut from the standard 710 diverter valve in there now which i seriously doupt can handle the higher pressure
08-10-2006, 05:41 AM
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Re: The N75 listed in ETKA, for 2002>2004 A4 1.8T, AMB, is the 058-906-283F.
I'll have to take a look tonight, I actually swapped the stock inlet tube back in and now i'm not having any problems at all actually though, what I think happened is that since I had the APR inlet pipe in there, the tube that goes to the wastegate was stretched since its such a tight fit and it just wasn't oppening and causing all my problems. This weekend i'm going to replace all of the vac lines in there with some new ones and i'll give the inlet tube another try, i'm LOVING having the K04 by the way, such smooth power