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I have a 2002 3.8 my question is does it really matter if you take the MAF screen out or not? reason I ask is I'm getting codes saying my car is running too lean now.
How many threads are you going to start to ask the same question? YES IT MATTERS, Some get away with taking it out most don't. The AFR even if re tuned with it out the screen is all over the place. To set the lean exhaust codes, your PCM is adding more than 15% fuel to make 14.7.
Sorry that I'm starting too many threads asking the same thing. My bad that I'm getting mixed answers and trying to narrow them down. Didn't think it mattered but I guess it does. My bad. Also thank you saying that it mattered but you don't have to be so rude about it.
Mine ran like crap , so I put it back in, my TB has been polished out really well so it flows well enough.
08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine
ss,
Thanks for the reply. Yea I was getting mixed responses not only on this site but also LS1 so I just wanted to see if it really made that much of a difference or not. But as bigbrian442 has stated "YES IT MATTERS". My question now would be where can I get a new one from?? The junk yards around here don't have any f body's. Also when you took you's out did you ever get "lean" codes? That's another thing that is a bit strange to me. I took mine out drove it for over a month with absolutely no codes or anything. I had to replace my oil pan but didn't have the time to do it myself so I took it to the shop. They got the new one in but had to drop the exhaust from both manifolds to remove the old one. Now a day after I got the work done all of the sudden I get codes??? I don't understand it. That's another reason why I was starting so many threads on the topic, because I was getting so many mixed responses. But the more and more that I read and the info that I'm getting all point to the MAF screen. But because it got damaged I'm trying to locate a new one.
Mine just idled like crap, theres not much restriction since we already have 65mm TB's which is more than enough for low 11's. The point of the screen is to direct air flow to the maf so it has a more precise reading so it would affect if it was running lean or not, if all the air goes by the maf and not going through a screen directed to make it go through the maf, then yes its going to run lean. GM didn't just put them there for nothing.
08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine
Yea I have a SLP cold air system and a K&N filter. Yea I will take the sensor out and see what happens. Hopefully that does the trick! Thanks for the replays all
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