Maf P10201

I just got some good advice about my MAF sensor. Just replaced it and im runing into this code now said low input and performance what does this mean??? is there something i did wrong or something else i need to replace??? thanx RPM

Whenever possible it is helpful to post the year and model Grand Prix you have. The DTC is erroneous as typed. Should be a P0101 which is MAF range/performance problem. The other common DTC of P0102 is MAF operating below frequency of 1500 hz. Low frequency.

Was this MAF sensor new or used (reman)?

Or do you have both DTCs?

Sory 99 grand prix gtp sc 3.8. it was a new MAF from zzperformance. Do you think it could be difective??

Sry just caught that second part. the only codes that poped were P0102 and P0102pd.

Did you have this code before you replaced the MAF, and if so, did you have the codes erased after replacing the part? If not, the computer doesn't know you replaced it and it's an old stored code.

Ya had it before i replaced it but i erased the codes after i replaced it then it was fine but just kicked it again.

Did you check the electrical connector to the MAF. At least check for the PCM 5 volt low reference signal at the input. It is possible the MAF sensor you got is bad, wiring from MAF output to PCM module or the PCM module itself. In many cases on reocurring MAF DTCs you may have to go through more than one or two MAF sensors until you get a good one. When I had a similar issue I went to a salvage yard and got a pull/used one. Make sure it matches your year. '99 and up. One from a '97/'98 SII 3800 engine will not work properly.

Also, check the throttle body intake for no obstructions and that the input screen is clean and present.

were is the screen for the throtel body located and is it hard to get to ???

No. Just remove the rubber intake ducting at the front of the throttle body. Screen will be at the input of the throttle body. Can't miss it unless someone removed it.