k i plug the pcm it and my idle was kinda fluctuating.i idle at 1000 but it was slowly going from 1000 2 almost 800.the engin sounded lik it was bogging out also.not badly but car did almos die.it basicly did but kept it self going.also the fans seemed 2 b runing a lil harder.i have a chip 2 mak fans run sooner also

 

What are you asking?

 

im asking y is it doing this.i was told ntn should change and car is running rough.is that just the car geting used 2 new pcm or wat.wat should b done