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02-15-2012, 12:01 AM
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Learning to use the forums
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Join Date: Feb 2012
Posts: 3
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Re: Highway speed jerking/bucking
Quote:
Originally Posted by Hornblas
I have since figured out that it was indeed the k and n filter and snowflakes..replaced with a paper filter for winter and problem resolved. Thanks guys!!
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ok well im gonna try the paper filter .i wonder why the snow flakes affect it ? cause thats the only time it does it is when it snows ...really weird and thanks for the info
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02-16-2012, 07:53 PM
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Learning to use the forums
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Join Date: Feb 2012
Posts: 3
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Re: Highway speed jerking/bucking
ok ii changed the filter and it snowed right after ,no bucking ..also a guy told me he took fine window screen and wrapped it around the inlet coming into the ailfilter and clamped it around it .that worked for him as well.. thanks again everyone ..oh i used a wix filter 15.00 bucks
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02-23-2012, 06:02 AM
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Liking the Ford Ranger Forum
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Join Date: Mar 2010
Posts: 24
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Quote:
Originally Posted by joshuat143
ok well im gonna try the paper filter .i wonder why the snow flakes affect it ? cause thats the only time it does it is when it snows ...really weird and thanks for the info
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I have a theory that the oil on the cotton allows the collected snow ir water droplets to pass eight through it either messing with the MAF sensor or just plain acting like water in the fuel..dunno its weird. Glad yours seems better as well. Cheers!
__________________
2005 Ranger Fx4 level II 4.0L. Flowmaster 40 series Cat back dual exaust,K&N drop in Air filter, brush bar, nerf bars,PIAA Fog lamps and T bar crank...otherwise, bone stock.
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12-19-2013, 09:45 PM
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New to the 4.0 world
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Join Date: Nov 2013
Posts: 11
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Our 99 does this too, and now that I think of it, it was snowing when I drove it... we also have a k&n filter, very strange... our truck does have other issues as well though.
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1999 Ford Ranger XLT 4.0 OHV
Motorcraft Reman at 100,000, along with two driveshafts, and a transmission...long story...lol
All stock...for now
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12-20-2013, 06:42 AM
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Electronics Tech
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Join Date: Mar 2013
Posts: 1,194
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If you didn't tamp off some of the excess oil off of the K&N, your MAF may be slightly contaminated. Grab a can of MAF cleaner and hose off the sensor. I'm betting that will fix you up.
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2005 2.3L XL 5SOD 3.73 K&N
KYB Shocks Husky Toolbox
Alpine / Rockford Fosgate Sound
"Ask me about my AC Vent fix!"
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12-20-2013, 07:25 AM
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Learning to use the forums
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Join Date: Dec 2013
Posts: 12
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Re: Highway speed jerking/bucking
I had that problem once and old ford guy said replace fuel filter. That took care of the problem.
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2000 ford ranger 4x4 3.0 liter with 4r44e trans
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12-20-2013, 07:37 AM
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Ford Ranger Driver
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Join Date: Jan 2009
Posts: 6,268
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Quote:
Originally Posted by 99_4.0_ranger
Our 99 does this too, and now that I think of it, it was snowing when I drove it... we also have a k&n filter, very strange... our truck does have other issues as well though.
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This is a well discussed topic with the 4.0. It took a while to solve it..ONLY USE A MOTORCRAFT AIR FILTER!
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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)
2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).
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01-30-2014, 06:22 PM
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New to the 4.0 world
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Join Date: Nov 2013
Posts: 11
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Re: Highway speed jerking/bucking
Hi all,
We put a motor craft paper filter in it, it doesn't buck anymore, there were many other problems also that we had to fix, like two leaky head gaskets, and a failing fuel pump. But all is well again!
__________________
1999 Ford Ranger XLT 4.0 OHV
Motorcraft Reman at 100,000, along with two driveshafts, and a transmission...long story...lol
All stock...for now
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