Mass air flow sensor!!!!

[chantz1991]

you know the honey comb b.s. that next to the maf sensor, well ive been hearing that if you knock it out itll give a lil more air, which in return makes a lil throttle difference, well i knocked it out today, and tried it i noticed a difference, now wether it does for everyone else, idk, but it hasnt set a code, i pray it dont!!!!

 

[JennaBear]

It is not recommended that you descreen your MAF, you are probably running lean now.

 

[chantz1991]

gettin tune soon to fix that! i hope

 

[JennaBear]

Be sure to tell your tuner that you descreened your MAF, or buy an OEM one to put back in. There is a chance that the tune can augment any issues that the PCM is covering up.

Here is the thread explaining:

http://www.tahoeyukonforum.com/forum/showthread.php?t=953&highlight=MAF+descreened