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  #1  
Old 11-16-2011, 01:05 PM
tooletime tooletime is offline
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Thumbs down 2010 4.0 air intake backfire

I have 2010 ford Ranger 4.0 xlt with 17,000 miles on. When the truck comes to a stop (or idle position ) it start to ( pop ) through the air intake. I disconnected the mass air flow sensor and the popping goes away.I installed another sensor and it is also doing the same ?There are no current or history codes,or check engine light on.The truck runs well with no hesitation . Two bad sensors??????????????:joym an:
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  #2  
Old 11-16-2011, 02:05 PM
MadMike MadMike is offline
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I also have a 2010 with K&N intake i noticed the pop as well usually three fast loud pops the dealership told me its the vent select. So it does it on floor setting and on floor/defrost turn it to dash vents doesn't do it and turn off vents doesn't do it only reason you hear it now is cause of the stock air box being removed hope that helped
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  #3  
Old 11-16-2011, 02:07 PM
TerrenceStuart TerrenceStuart is offline
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Default Re: 2010 4.0 air intake backfire

welcome to FRF, Terry!
please use your ford waranty.
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  #4  
Old 11-16-2011, 02:26 PM
2004 fx4 level II 2004 fx4 level II is offline
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Default Re: 2010 4.0 air intake backfire

Welcome to FRF!!
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enough^^ said

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  #5  
Old 11-16-2011, 05:54 PM
tooletime tooletime is offline
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Default Re: 2010 4.0 air intake backfire

Thanks for your replies. I still need help with this problem ? Long story short warranty is not in effect.
Again thank you
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  #6  
Old 11-16-2011, 06:03 PM
Janz3n Janz3n is offline
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Default Re: 2010 4.0 air intake backfire

how is it not in effect? only 17000 and its 2 years old?
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  #7  
Old 11-17-2011, 04:10 AM
MadMike MadMike is offline
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There is nothing wrong with your truck the intake is like a megaphone that's why you hear the noise now put stock back on and noise will be gone.
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2010 FX4, 4.0L Manual M5ODHD, 4.10 8.8" Ford Traclock LSD with carbon clutch pack and Solid Diff cover, Rancho RS5000, Maxx leveling kit with 1.5" blocks, 265/75/R16 Procomp Mud terrains, K&N CAI, JBA headers, JBA plug wires, Magnaflow cat back single, Super Chip Cortex, PA 3" Bodylift,4300K Fog HID kit, KC Slimlights 130W X2, Black Billet grill, Blacked out headlights with PIAA bulbs, 3D carbon hood scoop, Night shade tails and corners
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  #8  
Old 11-17-2011, 04:49 AM
Muscleford Muscleford is offline
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Default Re: 2010 4.0 air intake backfire

Quote:
Originally Posted by tooletime View Post
I have 2010 ford Ranger 4.0 xlt with 17,000 miles on. When the truck comes to a stop (or idle position ) it start to ( pop ) through the air intake. I disconnected the mass air flow sensor and the popping goes away.I installed another sensor and it is also doing the same ?There are no current or history codes,or check engine light on.The truck runs well with no hesitation . Two bad sensors??????????????:joym an:
I am confused. Where does the post say he has replaced the stock air intake with a K&N?
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2011 Ranger Sport 4 door SuperCab 4X4 Oxford White, 4.0 Auto Mods: XLT Carpet, Pin Stripes, Clear Corners, Extang Revolution Tonno, LineX, Pre Key mod, tailgate lightbar, cab lights, Muth heated signal mirrors
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  #9  
Old 11-23-2011, 07:48 AM
tooletime tooletime is offline
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Default Re: 2010 4.0 air intake backfire

Hi Guys My problem still exist. idle stumble,poping noise as a backfire in the air intake. 2010 ford ranger xlt 17,000 miles (no factory warranty). Do go in to the warranty lets fix the problem. If I disconnect the mass air flow wire, the truck idles fine and no back fire.... I replced the sensor and it goes back to the problem. I thought ok maybe a defective part ? Replace it with another one with the same results.Again no history codes or existing codes.

ANYONE HAVE A GOOD IDEA ??????
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  #10  
Old 11-23-2011, 07:51 AM
ranger024x4 ranger024x4 is offline
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Default Re: 2010 4.0 air intake backfire

why dont you have a warranty?
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