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bought drop in k&n filter and need your help!

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Old Jan 18, 2005, 08:38 PM
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bought drop in k&n filter and need your help!

I bought one of those drop in k&n filter for my 2004 lancer es and now she's eating gas like V8 can someone help me? Thanks
Old Jan 18, 2005, 08:43 PM
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have you dissconnected the battery to reset the ecu?

also have u been driveing harder or on the highway going faster? sucks more gas if u stay on it..


try puting the stock filter back in see if it gets normal mpg
Old Jan 18, 2005, 08:47 PM
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Uh....are you on the gas more? Did you hit the honeycomb when you installed the drop in?
Old Jan 18, 2005, 09:13 PM
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if you hit the honeycomb thats not good at all...
Old Jan 18, 2005, 09:31 PM
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no i didn't hit the honeycomb..... but i think i didn't disconnect the battery at all. I'll try to do that. How long should i disconnect it to reset the ecu. Thanks for the super fast reply guys!
Old Jan 18, 2005, 09:36 PM
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disconnect it and leave it off for about 10-15 mins.......
Old Jan 18, 2005, 09:37 PM
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i deff messed my honeycomb up when i put my intake on and i havent had any problems that im aware of for the past 2 years...
Old Jan 18, 2005, 09:38 PM
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thanks guys i'll give it a shot
Old Jan 19, 2005, 09:33 PM
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honeycomb? wtf are we talkin about.
Old Jan 19, 2005, 09:36 PM
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The MAF ( or is it MAS) that measures the amount of air coming in, have you changed your intake? Look inside the black box, its a honeycomb type material.
Old Jan 19, 2005, 09:45 PM
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you know what, i was wondering about the honeycomb. When i had my chevy s-10, i "descreened " the intake by taking out the honeycomb.It was a very common mod cause the corvette had a similar MAS and the only thing was that they didn't have a honeycomb. the only thing i noticed after was that i had better flow. and more power!
So i am wondering if anyone here does the same thing?
anyway, to answer the question, i get about 13/14 mpg, that's worse than my v6 pushrod 4.3l truck, i think you might be on the throttle a little more w/ the filter. when i changed to the hks, my SES light came on, and i had to reset it(unplug battery), so if your ses light did not come on, i don't think that you will have any real problems. you are probably losing milage by trying to see if the filter made any difference.
Old Jan 19, 2005, 09:48 PM
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Yeah you definitely don't want to take out the honeycomb, thats sure to trip a CEL.
Old Jan 22, 2005, 08:15 AM
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i don't remember seeing a honeycomb thingee in my black box when I did mine...maybe I just missed it?
Old Jan 22, 2005, 09:59 AM
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you would notice it its in the bottom of the intake box basically in the tube... u probly didnt mess it up just putting the drop in filter in. unless u took out the whole box which i dont c y you would.. honestly u could of got some bad gas and could b driving different i know mine totally changes with different tanks of gas etc...
Old Jan 22, 2005, 10:04 AM
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All GM's hotwire MAF's do have honeycomb since I have a 3.5 inch MAF from a LS1. The Z06 has one slightly bigger.

You must have seen either Nissan's hotwire MAF or Linginfelter's (sp) upgraded MAF for GM. I think Ford doesn't have a honeycomb either.

The honeycomb is there to straighten the airflow, so your sensor(s) can read it w/o turbulence at idle.

Last edited by bahamut; Jan 22, 2005 at 10:08 AM.



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