Kamjohnson253 Posted August 22, 2019 Share Posted August 22, 2019 (edited) I just installed the grimmspeed tmic and now my car starts to slow down and buck whenever I get to 3k rpm. There is also no CEL and it idles just fine Edited August 23, 2019 by Kamjohnson253 Link to comment Share on other sites More sharing options...
200kSpecB Posted August 22, 2019 Share Posted August 22, 2019 do you have a tune for the intercooler? Link to comment Share on other sites More sharing options...
Kamjohnson253 Posted August 22, 2019 Author Share Posted August 22, 2019 do you have a tune for the intercooler?I do not. I thought you didn't need one for it. Would the Cobb accessport suffice for the tune? Sent from my SM-G965U using Tapatalk Link to comment Share on other sites More sharing options...
Max Capacity Posted August 23, 2019 Share Posted August 23, 2019 What other MOD's do you have ? Make sure you didn't knock off a vacuum hose behind the intake manifold. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
Kamjohnson253 Posted August 23, 2019 Author Share Posted August 23, 2019 I figured it out. I'm dumb and didn't notice the throttle body hose was slightly pinched into the throttle body. Removed the intercooler and tightened everything up and now it's working great Sent from my SM-G965U using Tapatalk Link to comment Share on other sites More sharing options...
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