fd2r uses a map sensor which is located on the intake manifold while our fd2 uses maf on the intake pipe hence theres no opening for the sensor on the gruppe m.
also...
One thing i can confirm is that our rides are VERY sensitive to modifications at the low end. The MAF sensor is also very sensitive and has to be exactly the same diameter where the MAF sensor is located on the intake track.
i dunno i took it to Vision R and the guy said it isn't a MAF sensor because of something different.
well i looked up google:
"When a MAF is used in conjunction with an oxygen sensor, the engine's air/fuel ratio can be controlled very accurately. The MAF sensor provides the open-loop predicted air flow information (the measured air flow) to the ECU, and the oxygen sensor provides closed-loop feedback in order to make minor corrections to the predicted air mass"
I think mine is only an air(O2) sensor because he said a MAF sensor i wouldn't need to worry about putting the sensor back on the intake. Also looking at FD2Rs intake system there isn't a sensor where ours is and you can't see the sensor anywhere on the pipe. Cause i was wondering where to put the sensor when i looked at the GruppeM diagram of the FD2R. Unless its somewhere hidden. maybe ask that guy that's moving this FD2R over here haha.
meh who knows i just want my intake to be normal and work again
K20z2/3/4 all use MAF sensor, the reason you are getting a CEL because you've removed it from the air stream, now the engine doesn't know how much air is going into the cylinders and therefore does not know how much fuel to pump in. The ECU is smart enough to go into a limp mode when the MAF reading doesn't make sense. So either find a way to put the MAF into the pipe, in which case it still might not run as well cause its very sensitive (atleast no CEL?) or find an intake that has a mounting hole for the MAF. The MAF sensor housing also houses the Intake Air Temp sensor, so that needs to be in the air stream too.
Originally Posted by ej20i
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