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Sage91 · 06-24-2022, **(Subject: 2006 ISX CM870 High Pyro, surging under load )**

Also having another problem the turbo is making a annoying noise when u let off the accelerator. Like turbo flutter, My old one did this also. What could cause this and any possible fixes? Let me know thanks

Rawze · 06-25-2022, **(Subject: 2006 ISX CM870 High Pyro, surging under load )**

if the engine has a bad de-mandate program in it then it may cause the turbo to do things it is not supposed to.

Sage91 · 06-25-2022, **(Subject: 2006 ISX CM870 High Pyro, surging under load )**

(06-25-2022 )Rawze Wrote: if the engine has a bad de-mandate program in it then it may cause the turbo to do things it is not supposed to.

True,i still have not removed the de mandate i have right now, any recommendations to NJ isx people that know what they are doing?