fuel

[covert]

guys my e30 320i(auto) fuel consume very high RM30 can last only 2 1/2 daysjust driving kl to subang and back.i've change fuel filter,fuel pump(internal & external) and fuel regulator but problem still persist, can O2 sensor be the problem (or this is normal :unsure:

 

[Ghostrider-SG]

Check and see if your O2 sensor working or not. If your O2 is screwed, then your comsumation will be sky high....prob in the 6km/L range.

Use the OBD to check for faulty codes....

Also...check the CO reading too....should be around the 3-5% range. If a screwed O2...it usually reads around 11%.