Error Code

[fuwing]

hi all, i am new here and i jsut got my 996TT couple weeks ago. having CEL, PSM, and ABS light on. checked and foudn the error code of P0030. does anyone know what is it for please? thank you.

[jpflip]

O2 sensor see troubleshooting.... But since you also have the PSM and ABS lights "on" I suspect your MAF needs cleaning or replacement. If you look at the DIY section you will found a way to check your mass flow sensor. The cleaning of it is really simple with the proper cleaning spray. I think it should be done first.

MAF basic test...

Edited August 12, 2010 by jpflip

[fuwing]

O2 sensor see troubleshooting.... But since you also have the PSM and ABS lights "on" I suspect your MAF needs cleaning or replacement. If you look at the DIY section you will found a way to check your mass flow sensor. The cleaning of it is really simple with the proper cleaning spray. I think it should be done first.

MAF basic test...

thx. i replaced the MAF yesterady (china made, waiting for the bosch one which should come tomorrow), it was ok at first but the CEL came back on later on.

i changed the plugs, K&N filter, all oils and filter. gas pump...etc.. i guess it might be O2 sensor now?

[fuwing]

seems like the O2 sensors (all 4)have been changed last year. same as coil and MAF. if i want to change the O2 sensor again, should i change all 4? for P0030, which one should i change? 996 606 128 00 or 996 606 138 01?? thanks.

[jpflip]

P0030 mention only the one forward of the catalytic converter. Be careful with the copy of the OBD2 manual I give you because the turbo troubleshooting is in the two first pages only and the third page is for normally aspirated engine only.....

Edited August 13, 2010 by jpflip