Ok so i hooked my 225 tt up to the vag com becuase im still having the P1128code and issues with limp mode. At redline in both second and third gear the maf never goes above 144.5 g/s which if the number is supost to be be .8 for every one horse power it is low for 225 hp tt. Not only that but i just got my TT apr chipped so the muber is higher that 225hp and so the g/s should be higher. So any light that some one can shine on me would be great. I think that the maf is bad but i could be wrong.

 

The g/s is dependent on the intake and housing used. But it is low. The code you have usually means there is a vac leak or if it gives you a bank 1 with the code, you have a bad primary (precat) o2 sensor

 

cincyTT u live in miamisburg. Do u have a full version of vagcom ?

 

i dont. I need to get one here when some money comes my way

 

cool.... i do get the bank 1 stuff with it and i have a new o2 sensor in abox sitting next to me and i just ordered a new maf form the dealer but i dont want to wast money on something i dont need so im not sure what to do.

 

I would install the o2 and hold off on the maf. Im sure the maf is fine

 

Is it the sensor that i can see if i open my hood and look doen by the fire wall or is it some where else like under the car?

 

It is the sensor you can see in the exhaust just after the turbo. I know a fwd car isnt hard to do, havent done a awd one yet.

 

ok i found it right back by the fire wall on the exhaust right behind the engine. I bought a univesial one soi have to sodier the wires off my old sensor after i take it out of the car. Have you done it before remove it and replace it or even maybe used a universial one

 

Yes i have. You have pm