MAF damaged?
Thread Starter
TECH Fanatic
Joined: Apr 2005
Posts: 1,338
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From: upstate ny
MAF damaged? My car has been running rich lately, had it at the shop for inspection and had my mechanic read the code cuz i figured the o2 sensors may have been shot. The code came from one of the rear sims? not sure why. but anyway, he checked my MAF, which is descreened, and there was a bird feather melted on the wires. He removed it and said it was all set. Will my MAF be alright or will that have damaged it? Could that have lead to my car running rich? I know there is a ton of MAF threads, but I searched and couldnt find one involving bird feathers 
..thx in advance.
..thx in advance. I bet a feather would screw things up pretty badly, but I'd tend to think it would make you run lean. I recently had a problem with a dirty maf and I was throwing lean codes from my o2's as well. My thinking is anything covering the elements in the maf is going to let unmetered air by.
RIP April 14, 2008
Joined: Aug 2004
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From: the land where cars repeatedly hit my bumper when I'm in the store...
if it was melted TO the unit, I would get it replaced or cleaned or something, because any material on the wires will cause your readings to be off. Hope it works out man, how did the feather get up in there??
Brad
Brad
I might get the MAF replaced if I was you. You can find used ones on here for pretty cheap in the for sale section. If you have something melted on the wires chances are you won't get it clean without damaging something. Having that feather on the wire should make your car run lean, as the feather would act as an insulator on the wires. How the heck did a feather get in there 
Actually I don't know why I didn't think of this earlier. The car will run lean until the O2's pick it up. When the O2's throw the lean code the pcm goes into closed loop, and runs off of programming (ignores sensors), which normally means pig rich.
Thread Starter
TECH Fanatic
Joined: Apr 2005
Posts: 1,338
Likes: 0
From: upstate ny
I have no idea how I got a feather in there!?? But none the less, it was there. Anyway, I am going to look at it and see if it looks clean. My mechanic said he cleaned it so, we will see. Didnt seem to run rich on the way home but it did seem to ping a little. I am going to install a ls6 intake this week and then take it to get dynotuned. Hopefully it will be taken care of.
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