Search found 3 matches

by asherudkinmtb
Fri May 05, 2017 5:58 am
Forum: Turbo
Topic: Low boost and hissing noise at Idle/low rpms
Replies: 6
Views: 2341

Re: Low boost and hissing noise at Idle/low rpms

I figured out the boost leak too, The tee was cracked and leaking, and I'll try that with the knock sensor. I was so glad to have the boost leak fixed I figured I would drive it around for awhile and go do emissions, which I failed for HC and CO. So now I need to find a catted DP (I have catless wit...
by asherudkinmtb
Mon May 01, 2017 11:18 pm
Forum: Turbo
Topic: Low boost and hissing noise at Idle/low rpms
Replies: 6
Views: 2341

Re: Low boost and hissing noise at Idle/low rpms

Hi, Thanks for the replys! Its got a few mods; TMIC, and manual boost controller are probably the most relevant. It has been throwing a code for a knock sensor, but it is a new knock sensor and my understanding is that this is a common issue with a rob 550 tune (it had been running fine with the cod...
by asherudkinmtb
Wed Apr 19, 2017 8:00 pm
Forum: Turbo
Topic: Low boost and hissing noise at Idle/low rpms
Replies: 6
Views: 2341

Low boost and hissing noise at Idle/low rpms

I have a bit of a problem with my 94 ej22t wagon. I lent it to a friend and when I got it back it was making no more than 5 lbs boost (it was making 15 before,) and it makes a slight hissing noise at idle and lower revs, past around 5k it goes way. Any ideas what it could be? I checked for a boost/v...