MAF / K&N Filter Question

beau · 06-20-2005, 09:23 PM

I recently started having trouble with my 97 Mercury Mountaineer. Under accelleration it starts to shudder and bog and looses power. I thought it was a tranny problem and that the tranny was going from my wife's towing a horse trailer, but then I remembered that I recently (i.e. about 2-3 weeks ago) cleaned and reoiled the K&N air filter. I remember reading somewhere that the oil can get on the MAF and mess things up and was wondering if anyone who has had that problem can explain what it feels like.

Also, if someone could direct me to the threads or let me know how to clean the MAF, I would appreciate it. I could not find them, but I know that they are around here someplace (tried search) Is it just q-tips and brake cleaner?

falls guy · 06-20-2005, 09:46 PM

I would definitely try your MAF sensor. Go to "list of usefull threads" pg 5 is a MAF cleaning thread. Good luck man!
Peace

aldive · 06-20-2005, 10:00 PM

http://www.explorerforum.com/forums/...threadid=49253

sgmtino · 06-20-2005, 10:17 PM

i had a similar problem with my k&n filter but it wasn't because i oiled it a peice of the rubber material broke off the inside of the filter and became lodged in the maf removed the peice which was about 1/8" in size and ran like new

beau · 06-21-2005, 08:10 PM

Thanks all. I cleaned the MAF today and no joy. I will check to see if perhaps a piece of the filter broke off as someone suggested, but I doubt it. It's fairly new. There are no codes.

Unless anyone has any other ideas, I'll probably take it into the dealership to have it diagnosed. It would suck if it was the tranny because that's going to be expensive.

Again, it idles fine, but under accelleration or going up a hill it feels like a manual transmission that needs a new clutch (i.e., engine runs okay but feels like something slips and power does not get to rear (or all in this case since its an AWD) wheel.

Fat B · 04-10-2010, 06:08 PM

Old thread I know but I had a similar problem in a different vehicle and it turned out to be a clogged exhuast due to the cad. converter. Couldn't figure that one out for the longest time. Everything seemed to be running well but I had no power in acceleration and slowly my top end disappeared. Maybe this will help someone.

06-20-2005, 09:23 PM	#1
beau Wannabe Elite Explorer Michigan 97 Explorer Sport 4x4 Join Date: Apr 2004 Posts: 47 Vehicle Specs (Original Poster)	MAF / K&N Filter Question I recently started having trouble with my 97 Mercury Mountaineer. Under accelleration it starts to shudder and bog and looses power. I thought it was a tranny problem and that the tranny was going from my wife's towing a horse trailer, but then I remembered that I recently (i.e. about 2-3 weeks ago) cleaned and reoiled the K&N air filter. I remember reading somewhere that the oil can get on the MAF and mess things up and was wondering if anyone who has had that problem can explain what it feels like. Also, if someone could direct me to the threads or let me know how to clean the MAF, I would appreciate it. I could not find them, but I know that they are around here someplace (tried search) Is it just q-tips and brake cleaner? __________________ Before you criticize someone always walk a mile in their shoes. That way, when you criticize them, you're a mile away and you have their shoes. ----------------------------------------------- 1997 Ford Explorer Sport 4x4 / SOHC v6 / 101K Miles 1997 Mercury Mountaineer AWD / v8 / 51K Miles

06-20-2005, 10:00 PM	#3
aldive Elite In Memoriam 1999 XLT Join Date: Jan 2001 Posts: 25,270 Vehicle Specs	http://www.explorerforum.com/forums/...threadid=49253 __________________ Al Franklin My truck My Quest for 30 RIP Al Franklin! 1947-2010. Gone but not forgotten! :(

06-21-2005, 08:10 PM	#5
beau Wannabe Elite Explorer Michigan 97 Explorer Sport 4x4 Join Date: Apr 2004 Posts: 47 Vehicle Specs (Original Poster)	Thanks all. I cleaned the MAF today and no joy. I will check to see if perhaps a piece of the filter broke off as someone suggested, but I doubt it. It's fairly new. There are no codes. Unless anyone has any other ideas, I'll probably take it into the dealership to have it diagnosed. It would suck if it was the tranny because that's going to be expensive. Again, it idles fine, but under accelleration or going up a hill it feels like a manual transmission that needs a new clutch (i.e., engine runs okay but feels like something slips and power does not get to rear (or all in this case since its an AWD) wheel. __________________ Before you criticize someone always walk a mile in their shoes. That way, when you criticize them, you're a mile away and you have their shoes. ----------------------------------------------- 1997 Ford Explorer Sport 4x4 / SOHC v6 / 101K Miles 1997 Mercury Mountaineer AWD / v8 / 51K Miles

06-20-2005, 09:46 PM	#2
falls guy Wannabe Elite Explorer St. Catherines, ON '91 XLT Join Date: Feb 2005 Posts: 374 Vehicle Specs	I would definitely try your MAF sensor. Go to "list of usefull threads" pg 5 is a MAF cleaning thread. Good luck man! Peace

06-20-2005, 10:17 PM	#4
sgmtino Wannabe Elite Explorer benton , ky 99 awd xlt Join Date: Mar 2005 Posts: 60 Vehicle Specs	i had a similar problem with my k&n filter but it wasn't because i oiled it a peice of the rubber material broke off the inside of the filter and became lodged in the maf removed the peice which was about 1/8" in size and ran like new

04-10-2010, 06:08 PM	#6
Fat B Wannabe Elite Explorer Central Wisconsin 1999 XLT Join Date: Mar 2010 Posts: 7 Vehicle Specs	Old thread I know but I had a similar problem in a different vehicle and it turned out to be a clogged exhuast due to the cad. converter. Couldn't figure that one out for the longest time. Everything seemed to be running well but I had no power in acceleration and slowly my top end disappeared. Maybe this will help someone.