Well my cars been running pretty shitty at times, and by shitty I mean shifting into 2nd or 3rd it bogs a little, almost falling on its face. It didnt happen all the time, but once in awhile.

Well today it happened again, so I got pissed and brought my car to WOT. What do you know, the CEL comes on. Now luckily Im a Tech at a Chevy dealer, so I was able to bring my car in and check out whats goin on. I had a p0103 dtc, which is the MAF high frequency code, which sets if the MAF senses "too much air" flowing.

So I peeled away my fender-well to inspect my AEM Dry-Flow filter, and it just so happened to be covered in Ice, water and salt.

Immediatly I took the intake off and replaced it with my OEM, I cleared the code and took it for a ride. What a difference! Drove very smooth and seemed to allow more air into my motor as it felt more alive.

So if your in a shitty region like me, where there is about 2 feet of snow on the ground and below zero windchills, take a look at your filters, it may be causing your 'balt to run poorly like mine did.

 

good stuff bro! i also wanted to know if this would happen. that sucks, thanks for the warning. i better check mine ASAP!

 

never had any issues with my injen...
i used an aem filter on my jbp when i had it.
then it rained lightly and that idea was toast.

 

I had the same code and someone said it was from the maf reading to much air comming into the intake. I had the code disabled through Hptuners. I dont klnow if it works though.

 

thats what i was thinking though, the car runs great. so i should be good.

 

Hopefully it works because If I was going WOT and say around 6500 rpms it felt like I hit the rev limiter

 

yah the first day it started getting cold my car was all jumpy and bogy and i knew exactly what it was, i took out the aem up for winter and its coming back out this spring.

 

aem filters are way too sensitive.

 

What about an AEM with a CAI Condom(Hydrosheid/DryCharger) ?

 

hmmm. i was wondering if this would happen but it's way too much of an ordeal to check. this just gave me incentive to check the filter and possibly put a hydroshield on it.

 

I have been all through the bad and the injen has held up so far. I took it out today at -2 degrees and it was sweet actually. I came close to hitting 14 boost with it. I was very certain to seal the panels back up good when I installed it though. Plus, I always warm my car up 20 minutes running; also, artificial heat when needed with ice cover.

 

If you have HPtuners, just up your MAF Fail hz to 12500.. That should take care of that code.

 

Think when my Injen come I will run the short ram for the winter then long for the summer

 

I haven't drove the balt when there was actual snow or even water on the roads, only when they are dry and white from salt(everything around here is blacktop). But i am also seeing a sweet 14lbs of boost due to - temperatures outside.

 

i dont understand, why would it say too much air is flowing if the filter was dirty?

i took the bottom cover off my air box back in the summer and everything was fine, when i changed the filter a couple months ago i cut off the bottom splash guard, not all the way to the fliter but right up to it and the next day i started getting a cel. it comes and goes, it usaully comes under wot then cuts off after a few days. maybe i have the same problem.

 

I get the same code when I drive on the highway for long periods of time. When I get off the highway and go through town, every time I shift it falls on its face until I clear the code. This has been happening since the summer, and when I checked my filter, it looked fine. I guess I need HP tuners.

 

Its not the dirt that skews the sensor, the water does.