merc85
Saturday 30th March 2013, 22:48
I'm asking on the behalf of a friend,
Its a s70r 1997 with what is supposed to be a rica ecu, (have all the paperwork) to prove the ecu is genuine.
We have checked for vac leaks
Stage zero has bin done
He has fitted a "NEW" forge actuator
I have checked the turbo for cracks etc (there were none)
It is supposed to have a rica ecu but doesn't hold boost it always goes back down to 14psi!
It has a NEW forge Unos mbs and that has not made any difference.
She can boost 18 but immediately falls to 14psi?
Im asking for any help/advise as to what is wrong. With the old actuator fitted even if you disconnected the vac line it wouldn't over boost. he hasn't tried it since fitting the forge actuator since the boost went from 12psi to 14 psi.
I know 850's but i dont now much about the later bosch 4.4 ecu. does anyone think its a leak or ecu problem??
Its a s70r 1997 with what is supposed to be a rica ecu, (have all the paperwork) to prove the ecu is genuine.
We have checked for vac leaks
Stage zero has bin done
He has fitted a "NEW" forge actuator
I have checked the turbo for cracks etc (there were none)
It is supposed to have a rica ecu but doesn't hold boost it always goes back down to 14psi!
It has a NEW forge Unos mbs and that has not made any difference.
She can boost 18 but immediately falls to 14psi?
Im asking for any help/advise as to what is wrong. With the old actuator fitted even if you disconnected the vac line it wouldn't over boost. he hasn't tried it since fitting the forge actuator since the boost went from 12psi to 14 psi.
I know 850's but i dont now much about the later bosch 4.4 ecu. does anyone think its a leak or ecu problem??