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93 Crown Vic 4.6L OHC

 
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Motorboy




Joined: May 23, 2005
Posts: 1



(Msg. 1) Posted: Mon May 23, 2005 3:59 pm
Post subject: 93 Crown Vic 4.6L OHC

I appreciate anyones advice.

Engine hesitates when pushing the gas, and power is slugish. New
plugs,wires,dist cap,air filter already done.
AND..........if I unplug the MAF (mass air flow sensor) the engine stalls
after reving it....so I guess it's working properly.

BUT.... if I take the whole plastic air intake compartment out........I get
immediate engine response and no hesitation but stalls of course after
reving it up. I'm sure its another stupid sensor or a vacuum problem...but I
need more info.

???? Anyone????


Thanks.

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Paul of Dayton

External


Since: Nov 24, 2003
Posts: 59



(Msg. 2) Posted: Mon May 23, 2005 7:55 pm
Post subject: Re: 93 Crown Vic 4.6L OHC [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Is there a check-engine lite on?

"Motorboy" wrote in message

 >I appreciate anyones advice.
 >
 > Engine hesitates when pushing the gas, and power is slugish. New
 > plugs,wires,dist cap,air filter already done.
 > AND..........if I unplug the MAF (mass air flow sensor) the engine
 > stalls
 > after reving it....so I guess it's working properly.
 >
 > BUT.... if I take the whole plastic air intake compartment
 > out........I get
 > immediate engine response and no hesitation but stalls of course after
 > reving it up. I'm sure its another stupid sensor or a vacuum
 > problem...but I
 > need more info.
 >
 > ???? Anyone????
 >
 >
 > Thanks.
 >
 > --
 > Posted using the <a rel="nofollow" style='text-decoration: none;' href="http://www.autoforumz.com" target="_blank">http://www.autoforumz.com</a> interface, at author's request
 > Articles individually checked for conformance to usenet standards
 > Topic URL:
<font color=purple> > <a rel="nofollow" style='text-decoration: none;' href="http://www.autoforumz.com/Ford-Mecury-93-Crown-Vic-6L-OHC-ftopict121402.html</font" target="_blank">http://www.autoforumz.com/Ford-Mecury-93-Crown-Vic-6L-OHC-ftopict12140...tml<</a>>
 > Visit Topic URL to contact author (reg. req'd). Report abuse:
<font color=purple> > <a rel="nofollow" style='text-decoration: none;' href="http://www.autoforumz.com/eform.php?p=590333</font" target="_blank">http://www.autoforumz.com/eform.php?p=590333</font</a>>

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Jean

External


Since: May 23, 2005
Posts: 8



(Msg. 3) Posted: Mon May 23, 2005 7:55 pm
Post subject: Re: 93 Crown Vic 4.6L OHC [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

it appears under hard acceleration then disapears.

Kind of odd.


"Paul of Dayton" wrote in message

 > Is there a check-engine lite on?
 >


  > >I appreciate anyones advice.
  > >
  > > Engine hesitates when pushing the gas, and power is slugish. New
  > > plugs,wires,dist cap,air filter already done.
  > > AND..........if I unplug the MAF (mass air flow sensor) the engine
  > > stalls
  > > after reving it....so I guess it's working properly.
  > >
  > > BUT.... if I take the whole plastic air intake compartment
  > > out........I get
  > > immediate engine response and no hesitation but stalls of course after
  > > reving it up. I'm sure its another stupid sensor or a vacuum
  > > problem...but I
  > > need more info.
  > >
  > > ???? Anyone????
  > >
  > >
  > > Thanks.
  > >
  > > --
  > > Posted using the <a rel="nofollow" style='text-decoration: none;' href="http://www.autoforumz.com" target="_blank">http://www.autoforumz.com</a> interface, at author's
request
  > > Articles individually checked for conformance to usenet standards
  > > Topic URL:
  > >
<a rel="nofollow" style='text-decoration: none;' href="http://www.autoforumz.com/Ford-Mecury-93-Crown-Vic-6L-OHC-ftopict121402.html" target="_blank">http://www.autoforumz.com/Ford-Mecury-93-Crown-Vic-6L-OHC-ftopict121402.html</a>
  > > Visit Topic URL to contact author (reg. req'd). Report abuse:
<font color=green>  > > <a rel="nofollow" style='text-decoration: none;' href="http://www.autoforumz.com/eform.php?p=590333</font" target="_blank">http://www.autoforumz.com/eform.php?p=590333</font</a>>
 >
 >
 >> Stay informed about: 93 Crown Vic 4.6L OHC 
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Paul of Dayton

External


Since: Nov 24, 2003
Posts: 59



(Msg. 4) Posted: Tue May 24, 2005 11:55 am
Post subject: Re: 93 Crown Vic 4.6L OHC [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

It would probably be worth having the codes checked. AutoZone will do it
for free in hopes you will buy whatever they tell you to replace. I can't
quite figure why removing the plenum makes a difference except that it
removes the MAF... The symptoms could be caused by a clogged fuel filter.
They aren't awful to replace and don't cost much. If you haven't done it
yet, it's time to do it anyway. It's in front of the rear wheel, drivers
side.

I had some strange drivability problems and finally found a hole in a PCV
tube. The PCV valve has a rubber tube connecting it to a metal tube but
there is another small piece of rubber farther along. Mine had a bend in it
and had opened. It was almost impossible to see but I heard the vacuum
leak. A new tube made it run like new. It drove me nuts trying to figure
out, tho. (I have a '95 CV)

PoD

"Jean" wrote in message

 > it appears under hard acceleration then disapears.
 >
 > Kind of odd.
 >
 >


  >> Is there a check-engine lite on?
  >>


   >> >I appreciate anyones advice.
   >> >
   >> > Engine hesitates when pushing the gas, and power is slugish. New
   >> > plugs,wires,dist cap,air filter already done.
   >> > AND..........if I unplug the MAF (mass air flow sensor) the engine
   >> > stalls
   >> > after reving it....so I guess it's working properly.
   >> >
   >> > BUT.... if I take the whole plastic air intake compartment
   >> > out........I get
   >> > immediate engine response and no hesitation but stalls of course after
   >> > reving it up. I'm sure its another stupid sensor or a vacuum
   >> > problem...but I
   >> > need more info.
   >> >
   >> > ???? Anyone????
   >> >
   >> >
   >> > Thanks.
   >> >
   >> > --
   >> > Posted using the <a rel="nofollow" style='text-decoration: none;' href="http://www.autoforumz.com" target="_blank">http://www.autoforumz.com</a> interface, at author's
 > request
   >> > Articles individually checked for conformance to usenet standards
   >> > Topic URL:
   >> >
<font color=purple> > <a rel="nofollow" style='text-decoration: none;' href="http://www.autoforumz.com/Ford-Mecury-93-Crown-Vic-6L-OHC-ftopict121402.html</font" target="_blank">http://www.autoforumz.com/Ford-Mecury-93-Crown-Vic-6L-OHC-ftopict12140...tml<</a>>
   >> > Visit Topic URL to contact author (reg. req'd). Report abuse:
<font color=brown>   >> > <a rel="nofollow" style='text-decoration: none;' href="http://www.autoforumz.com/eform.php?p=590333</font" target="_blank">http://www.autoforumz.com/eform.php?p=590333</font</a>>
  >>
  >>
 >
 >
 >> Stay informed about: 93 Crown Vic 4.6L OHC 
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Jean

External


Since: May 23, 2005
Posts: 8



(Msg. 5) Posted: Tue May 24, 2005 11:01 pm
Post subject: Re: 93 Crown Vic 4.6L OHC [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Thanks PoD,

Well that's twice......someone else also suggested that I might have a leak
in my vacuum pvc hose somewhere so that makes sense to me. I haven't had
time to check it out yet, but will do soon.

Thanks a bunch!



"Paul of Dayton" wrote in message

 > It would probably be worth having the codes checked. AutoZone will do it
 > for free in hopes you will buy whatever they tell you to replace. I can't
 > quite figure why removing the plenum makes a difference except that it
 > removes the MAF... The symptoms could be caused by a clogged fuel filter.
 > They aren't awful to replace and don't cost much. If you haven't done it
 > yet, it's time to do it anyway. It's in front of the rear wheel, drivers
 > side.
 >
 > I had some strange drivability problems and finally found a hole in a PCV
 > tube. The PCV valve has a rubber tube connecting it to a metal tube but
 > there is another small piece of rubber farther along. Mine had a bend in
it
 > and had opened. It was almost impossible to see but I heard the vacuum
 > leak. A new tube made it run like new. It drove me nuts trying to figure
 > out, tho. (I have a '95 CV)
 >
 > PoD
 >


  > > it appears under hard acceleration then disapears.
  > >
  > > Kind of odd.
  > >
  > >


   > >> Is there a check-engine lite on?
   > >>


   > >> >I appreciate anyones advice.
   > >> >
   > >> > Engine hesitates when pushing the gas, and power is slugish. New
   > >> > plugs,wires,dist cap,air filter already done.
   > >> > AND..........if I unplug the MAF (mass air flow sensor) the engine
   > >> > stalls
   > >> > after reving it....so I guess it's working properly.
   > >> >
   > >> > BUT.... if I take the whole plastic air intake compartment
   > >> > out........I get
   > >> > immediate engine response and no hesitation but stalls of course
after
   > >> > reving it up. I'm sure its another stupid sensor or a vacuum
   > >> > problem...but I
   > >> > need more info.
   > >> >
   > >> > ???? Anyone????
   > >> >
   > >> >
   > >> > Thanks.
   > >> >
   > >> > --
   > >> > Posted using the <a rel="nofollow" style='text-decoration: none;' href="http://www.autoforumz.com" target="_blank">http://www.autoforumz.com</a> interface, at author's
  > > request
   > >> > Articles individually checked for conformance to usenet standards
   > >> > Topic URL:
   > >> >
  > >
<a rel="nofollow" style='text-decoration: none;' href="http://www.autoforumz.com/Ford-Mecury-93-Crown-Vic-6L-OHC-ftopict121402.html" target="_blank">http://www.autoforumz.com/Ford-Mecury-93-Crown-Vic-6L-OHC-ftopict121402.html</a>
   > >> > Visit Topic URL to contact author (reg. req'd). Report abuse:
<font color=brown>   > >> > <a rel="nofollow" style='text-decoration: none;' href="http://www.autoforumz.com/eform.php?p=590333</font" target="_blank">http://www.autoforumz.com/eform.php?p=590333</font</a>>
   > >>
   > >>
  > >
  > >
 >
 >
 >> Stay informed about: 93 Crown Vic 4.6L OHC 
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