SOHC 'jolt' at cruising speed - Page 3 - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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  #51  
Old 01-26-2009
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thats says 04 05. Mines and 06 so wouldn't be covered anyways.....though i have same conditions.
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  #52  
Old 01-26-2009
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Mine also being an 02 isnt covered in that either.

I went out this morning and disassembled my air box and cleaned it up and removed the MAF. I wiped the MAF out, but didn't use any cleaners in it. I could see in my intake tube that there is residue of what looks like oils or dirty water.

After just wiping everything down and putting it back together (I didn't even check the IAC or IAT), I went for the same drive that I did yesterday when I had the 'jolt' happen about 12 times. In that same drive, I only had it happen twice today, and it was at 40mph. Cleaning the MAF seemed to work, so I am going to get some fuel injector cleaner which my mechanic said to use, and spray that into the MAF and clean it up and also clean the air box and intake tube.

My K&N is also 6 years old and has over 190k miles on it.

If cleaning everything up doesnt eliminate the problem,then it is something else. However,just wiping down the MAF and getting some of the oily scum that had built up in the MAF has definetly helped cut down on the frequency of the symptons. I will also be looking into getting an OEM or a dry aftermarket filter.

It really doesnt make sense to me having to oil an air filter.
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  #53  
Old 01-26-2009
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Quote:
Originally Posted by crazymikey View Post
If cleaning everything up doesnt eliminate the problem,then it is something else. However,just wiping down the MAF and getting some of the oily scum that had built up in the MAF has definetly helped cut down on the frequency of the symptons. I will also be looking into getting an OEM or a dry aftermarket filter.

It really doesnt make sense to me having to oil an air filter.
Be very careful wiping the MAF, it can be very sensitive. Electrical parts cleaner would be much better than fuel injector cleaner, this part measures oxygen, it has nothing to do with fuel.

K&N and dirtbike filters use oil to trap dust and dirt. an un-oiled k&n is like having a mesh screen for an air filter. Like mentioned before, the OEM filter is the best option.
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  #54  
Old 01-26-2009
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I've used about 10 different vehicles with K&N filters,both drop in and cone, and have never had a problem until now.

Maybe I'll swing by the parts store tomorrow and get an OEM filter and pop that in and see if ti makes any difference.
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  #55  
Old 01-26-2009
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you may want to get a motorcraft filter, not trying to sound like Takeda, but they seal alot better in the air box than a Fram filter will.
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  #56  
Old 01-26-2009
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did you change the fuel filter changed my truck completely and my truck has 266k on
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  #57  
Old 01-26-2009
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definately try the air filter and thoroughly clean the MAF. NEVER EVER touch it with anything and make sure it is 100% dry before you start the truck
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  #58  
Old 01-27-2009
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I put in a Fram paper filter and cleaned my MAF and the problem seems to be solved now.
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  #59  
Old 01-30-2009
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Same here, problem solved
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