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PFE sensor bad?

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Old Mar 24, 2004 | 05:13 PM
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5th Wheeling
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PFE sensor bad?
The PFE sensor on my 94 ranger 2.3 l makes a buzzing noise at certain rpms as it revs up and it almost seems that it chokes the motor a little. the truck idles rough also. could this be the problem for the rough idling? Is the pfe supposed to buzz? help

Taylor
 
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Old Mar 27, 2004 | 03:36 PM
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help please
 
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Old Mar 27, 2004 | 03:46 PM
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I don't think the DPFE sensor is supposed to buzz. Mine don't.

If the hoses going to/from the sensor and the EGR valve are leaking, that could affect your idle.
 
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Old Mar 27, 2004 | 04:35 PM
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one hose was split but that has been replaced
 
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Old Mar 27, 2004 | 08:07 PM
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A stuttering idle and a choking motor when revving like you describe can also be caused by a fuel system problem, such as a clogged fuel filter or a failing fuel pump.
 
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Old Mar 27, 2004 | 08:11 PM
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The IAC valve can make a buzzing sound, and also controls the idle speed. I would try cleaning the IAC valve first.
 
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Old Apr 1, 2004 | 05:51 PM
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How do you go about cleaning the pfe?
 
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Old Apr 1, 2004 | 08:02 PM
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You really can't clean them except clearing the ports.
 
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Old Apr 3, 2004 | 05:40 PM
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how much does a pfe cost?
 
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Old Apr 3, 2004 | 06:04 PM
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A DPFE (instead of PFE) sensor is about $75 from the Ford dealer
 
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