Hi guys i'm wondering if you guys could help me. I have 330 ci 2003.
The car seem to run fine when cold but when it warms up it starts running lumpy as if its misfiring.
So far its had bank 1 and 2 sensor 1. Air flow meter. DISA valve and a second hand idle control valve.
Most of the main intake pipes have been changed and everything is tight. we also tried a smoke bomb in the intake to see if that was leaking but seems fine.
I'm leaning towards coolant temp sensor or the 2 lambda after the cats. failing this i'm thinking ecu!
When scanned i'm getting o2 sensor deviation codes
Any ideas guys? All your help is appreciated
Regards
D
The car seem to run fine when cold but when it warms up it starts running lumpy as if its misfiring.
So far its had bank 1 and 2 sensor 1. Air flow meter. DISA valve and a second hand idle control valve.
Most of the main intake pipes have been changed and everything is tight. we also tried a smoke bomb in the intake to see if that was leaking but seems fine.
I'm leaning towards coolant temp sensor or the 2 lambda after the cats. failing this i'm thinking ecu!
When scanned i'm getting o2 sensor deviation codes
Any ideas guys? All your help is appreciated
Regards
D
330ci running lumpy when warm/hot
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