Subaru B4 Turbo blown :( Please help
#21 Guest_KONG_*
Posted 16 March 2018 - 05:23 AM
#22
Posted 21 March 2018 - 02:11 PM
I have wound in my BOV spring all the way. Taken the intercooler off again and checked all lines and pipes and everything seems normal. I adjusted the ECV loosened until I could hear it chatter and then tightened two full turns. Took for a drive and still getting p1242 when building revs in the low range (primary turbo not boosting I suspect) and the boost gauge tells me I have around 0-2 psi and when the secondary comes on late I get full boost but then experience boost cut. Any ideas? Maybe the ECV is still opened??
#23
Posted 21 March 2018 - 02:49 PM
#24
Posted 27 March 2018 - 04:08 PM
It turned out to be the ECV. I had to fully reset the adjustment by taking the adjustment nut right off and starting from scratch. I set it roughly a turn past chattering and now I have full boost back and no ECV rattle in the lower gears. no more P1241. Happy days
#25
Posted 30 March 2018 - 09:29 AM
Luke Franky No I didn't replace the ecv with a new one didn't need too.
KOng yes I erased the cel code and hasnt come up since. Yes my boost has been restored since replacing my turbo with the leaking ecv
#26
Posted 09 July 2018 - 12:19 AM
Does the primary one has one as well?
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#27
Posted 18 July 2018 - 05:18 PM
No the Primary turbo has a internal wastegate.
#28
Posted 22 July 2018 - 10:27 PM
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#29
Posted 23 July 2018 - 12:37 AM
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