RPM Fluctuations When Cruise control is Active
Hey guys
Something is strange about my car just noticed it starting to do this. If I have my cat on cruise say I'm doing 50mph set the cruise control. RPMs would be around 2 the needle starts to bounce ever so slightly up and down. And no this is not on an incline it's on flat ground. Just wondering if it's because the new bov I put on or something. Any adivce? I havnt changed my spark plugs yet either they have 60,000 on them. Heres a video I know it's crappy took it with my iPhone. Thanks for the help.
http://i122.photobucket.com/albums/o...i/4af7ed2b.mp4
Something is strange about my car just noticed it starting to do this. If I have my cat on cruise say I'm doing 50mph set the cruise control. RPMs would be around 2 the needle starts to bounce ever so slightly up and down. And no this is not on an incline it's on flat ground. Just wondering if it's because the new bov I put on or something. Any adivce? I havnt changed my spark plugs yet either they have 60,000 on them. Heres a video I know it's crappy took it with my iPhone. Thanks for the help.
http://i122.photobucket.com/albums/o...i/4af7ed2b.mp4
Change the BOV back to stock and see since that is the easiest way to test. As far as the plugs mine only lasted to 30k and I had to change then since one of the ceramic pieces was sliding up and down the electrode so I will change mine again at 60k which will be in the next couple months.
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Sorta you can hear it threw the exhaust how it's going up and down like 60-80 Rpms just bothers me lol I have never noticed it before Only other part I have put on is a apexi turbo timer.
I'm going to take a guess that the timing is changing +/- degree (totally normal). Cruise control sets the speed not the RPM. So RPM fluctuating <100 RPM is totally normal.
Log it and I'm fairly certain you will see timing moving a degree or two, it's almost never constant (except fully warmed-up in 70* weather while idling, and even then only for 10 seconds at a time at the most).



anyone have one for cheappp