Does the car seem to slow down with the check engine light on? (Stillen Supercharger)

Originally Posted by kellyefields

i have the stillen supercharger as well and have this problem. I have the codes for multiple cylinder misfire and banks to rich. I am going back to have the tune checked to see if I am running to rich and to have colder plugs put in. I hope this will fix the problem. I think my problem is the fact that the car was tuned for a warm climate here in flordia and it has been in the 60-80 relm which would cause a rich condition but better than being lean when the temps start to touch 100. if you happen to find out a solution please let me know.

Originally Posted by W.O.W. 370Z

Who tuned your car?

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Originally Posted by kellyefields

JNAULT had is tuned at the shop he uses. (might be H&R) They used the same tune that RCZ had on his car but even thought the tunes were the same and the setup the same I ended up making 20hp more than he did on the same dyno.