sr20det running wierd/slow after 40+ minutes of driving.

[ReD*PiG]

Hey,Found out what my problem was.It was a combonation between a bad O2 and a MAJOR boost leak!I mounted my boost controller to close to the exhaust manifold that it must of melted the seals inside the boost controller!It was a Turbo XS SBC.As soon as we put the boost leak checker on it,you could here the pressure just pissing out of it!just figured I'd update........Thanks again guys.......Ed

[travisn]

[QUOTE=koukidough Another thing to take note; when losing power I can hear my wastegate release early at around 1.5k-2.5k rpm. I was testing it just today by pressing on the trottle a little (1cm) and releasing it right away will cause the wastegate to release early. I can repeat it nonstop on and off and hear the wastegate fully open and close in the same rhythm.

Step on throttle=openTake foot off throttle=closeme thinks wastegate may be the culprit. Maybe it gets stuck or loose when extremely hot.[/QUOTE]

do you mean blow off valve?? i changed the fuel cap and it hasnt happened since, but then again it sometimes doesnt happen for 5-6 days...

[koukidough]

yeah mybe the bov i just hear a whoosh noise, can be either i dont know. I will buy a new fuel cap and see what happens

[travisn]

yea fuel cap didnt help