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vwrabbit16v
06-20-2009, 10:48 AM
got a 98` a4 aeb fwd. snapped a timing belt. bought and installed a new used motor. along with a new ko3, test pipe and ajustable fuel pressure regulator. only getting 5lbs of boost. no noticeable leaks. any ideas.
p.s. got vagcom if you live close by. spring hill, fl

lawnferie
06-21-2009, 07:47 AM
is it chipped?

walky_talky20
06-21-2009, 10:36 AM
Sounds like limp mode. Check codes with vag-com.

B5 SLPR
06-21-2009, 11:13 AM
def sounds like limp mode

somebody5788
06-21-2009, 11:25 AM
If it's not chipped that's pretty normal isn't it?

vwrabbit16v
06-21-2009, 12:49 PM
no not chipped. just got the vagcom program for my lap top, bout to go play with it

walky_talky20
06-21-2009, 01:21 PM
Should be getting around 9 or 10 psi peak I believe. Limp mode will limit to around 5 psi.

CrtchRktRcr
06-21-2009, 01:31 PM
stock is 7psi. 5 is limp.. test it in a higher gear.. first and second won't always hit full boost.