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27 Posts
Okey so my 320ci is running lean according to my cheap obd2 reader, both banks around 10-18%, MAF readings on warm idle is like 2.4 g/s so im suspecting that, ive replaced all rubberboots to the intake so shouldnt be a vacuum leak. I can barely get the car rolling without revving the car.
no lean codes btw
- Replaced CCV including O2 pilot mod
- Cleaned throttle body
- Cleaned Idle air control valve
- replaced all intake boots
- Replaced air filter
- Replaced Fuel filter
- Replaced both camshaft sensors
- Replaced crankshaft sensor
- Replaced valve cover gasket
- Rebuilt VANOS
- Replaced 1 precat o2 sensor
no lean codes btw