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Engine Power Loss at Higher RPM

GP Modder said:
Thanks for the advise guys, gonna crawl under there this weekend...see what I can find and report back. That is a nice looking CAT, U bend delete too. The one you got from O'reillys did it have the U bend?
Click to expand...

No its that exact Cat in the picture. O'reilly's sells magnaflow cats.
 


Looks like it is the CAT plugged, I had the O2 sensor out and although being really loud I was able to get the motor to rev over 4000rpms. It wasn't able to do that before, 3000 max. So I have ordered a new CAT and while I waiting for the new one to arrive I'm going to drill a hole in the old one so its still usable this week. Pontiacgtp24 you may be onto something as I have had a P0102 for quite sometime now which is a MAF code, could have been running rich for the last couple months because of it. That being said I have robbed my entire throttle body from my old 98 parts car and installed it on the car. No codes thus far.
 
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