I have heard of people cleaning your mass air flow sensor and even taking the screen out, and it helps milage and overall power. Anyone tried this, I also heard it makes a trouble code too, any suggestions or ideas on this? thanks.

 

Cleaning a dirty MAF sensor will definitely help. Removing the screen to gain performance is snake oil in my opinion. The screen does not restrict the flow like what many people would think. The function of the screen is to ensure smooth laminar airflow over the MAF elements. If the flow is not consistent across the throat of the MAF sensor, the PCM could get bad data resulting in poor performance.

While the engines are different, I have witnessed drag race tests on a Grand Prix GTP with the screen and without the screen. There was no difference in performance with and without the screen, however, the scanned and recorded MAF frequencies were all over the place without the screen in place comparing 4 consecutive runs with the screen and without the screen.

If it weren't necessary, I highly doubt that it would be there.

 

I cleaned my MAF and EGR yesterday. Easy job, not much time,and noticed a nice improvement in idle smoothnessand throttle response.
I took pictures and plan to put together a step by step "how-to" for both in the next couple weeks because there's a lot of good information I foundhere, but I had to go through several different threads to get all of the advice together.

 

Just curious on what you clean your MAF sensor with, it looks pretty easy to get to it, and just curious what to clean it with. Thanks for your informatin thou.

 

Either electronics cleaner or MAF specific cleaner.

 

Dumb question...............Where is the MAF located at?? I know where the EGR is, but not the MAF....
thanks

 

Intake pipe between the air filter housing and the throttle body. It will have two aluminum peices on either side of the sensor itself. It looks like this when disassembled for cleaning:

 

Does a 1995 have a Mass Air Flow sensor like this one? I can't find anything like that anywhere. There is a small sensor in the flexible hose between the air filter and the throttle plate but it looks nothing like this.

Forgot to mention it's a 4.3.

Thanks in advance.

 

The older CPI engines used up to 1995 do not have a MAF sensor.

 

Copy. Thank you.