Quote:
Originally Posted by a0s4957
So here is the update, after fixing said leak i drove around for about a day. During that time frame the SES light went off, and the next day it came back on. The only two things that changed was the fact that i put gas in the car, and that the weather got significantly cooler and dryer. Hence, i am now leaning towards me needing to replace the oxygen sensors (upstream). Thoughts?
|
Did you pull the codes? What were they? Check for vacuum leaks around the intake. Check the plugs, one by one. Try the small and cheap stuff first. I still say that you might have a coil that is going bad. See if the same cylinder is at fault. Let me know.
__________________
'09 E92 ///M3 Interlagos Blue,6MT,
Silver Novillo Leather,CF Trim,Premium Package,Technology Package,Cold Weather Package,Premium Sound,19"Wheels,Moonroof-Toy/
'17 X5M,
Long Beach Blue, Executive Package,Technology Package, Lighting Package, Driver Assist,
Full Mughello Red Interior, 21" wheels-Toy/
'14 535i with M Sport and 19" wheels-Daily