so today i got my cobb ap followed all directions and installed correct map, then for a little test run, i noticed my rpm jumps between 1-2k before dropping and staying around 700rpm while stopped using the live data monitor. is this normal? im currently running the stage 1 for stock vechicle.

 

so everything seems to be ok this morning no spikes in RPM at idle, constant 900 range for the RPM

 

Bet the ECU had to relearn the conditions. Same as if you were to disconnect your battery

 

thats what i was thinkin after my drive into work this morning, i called cobb to talk to them about it, they told me to check the vacuum lines, said its a pretty common issue that most people run across with it popping off, so i double check that before leavin work today.

 

how does the car feel? I too am looking at getting a cobb ap as my first mod. Just curious to see if you noticed a fairly substantial difference

 

It's normal to get some wierd idle but have you done this yet?

https://www.evolutionm.net/forums/sh...=444277&page=1