Quote:
Originally Posted by Overboost
Check MAF g/s values first. Should be in the 3 g/s at idle with no additional power draws, i.e.: no AC, lights, radio, blower fan, etc. 4g/s is too high
Secondly check your fuel pressure, should be around 52 PI Max.
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Here are the BMW trouble codes using the C310 tool:
99 Oyxgen-sensor voltage behind cat converter, bank 2
EB Trimming, oxygen sensor before cat converter, bank 1
BF Insufficient heat output, oxygen sensor behind cat converter, bank 2
F3 Misfire, cylinder 6
F2 Misfire, cylinder 5
Checked out the other readings:
Idling the car with lights on last night, voltage at air-mass flow sensor 0.9 V
Air mass reading 18kg/h while idling
Air mass reading 44 kg/h at 2,000 rpm
Air mass reading 55 kg/h at 2,600 rpm
Finally, the oxygen sensors:
Bank 1 before cat: voltage 0.11 to 0.76 V
Bank 2 before cat: voltage 0.11 to 0.76 V
Bank 1 after cat: voltage 0.11 to 0.76 V
Bank 2 after cat: voltage frozen at 0.58 to 0.59 V
Voltage appears static at the bank 2 oxygen sensor after the cat, when it should be fluctuating up and down like the other 3.