#2699017 - 04/21/13 06:37 AM
PCV looking thing on left valve cover
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Climber
Registered: 04/11/13
Posts: 772
Loc: Florida
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On top of the left valve cover (drivers side)there is a black plastic thing that looks like a PCV valve that is not connected. It is drawing vacuum because when I put my finger over it,it makes a suction sound when I remove it.Where should this be connected at? If it goes to the plastic engine cover I am missing that part so what should I do with it? Also the check engine light comes on after the engine starts. Thanks
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2003 cvpi,2008 cvpi,1994 honda accord,1976 camaro,1988 c1500,2001 honda accord,1999 honda accord,1994 suzuki rf900r,2012 Dodge charger,2001 mustang gt,2010 impala,2013 impala,2013 Taurus
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#2699027 - 04/21/13 08:49 AM
Re: PCV looking thing on left valve cover
[Re: JSO2003P71]
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Climber
Registered: 01/29/12
Posts: 698
Loc: NJ
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what year is the car?
_________________________
2002 LX Spruce Green/Tan Cloth ~124,000 miles
Bilsteins, 17mm rear sway bar, BH1976 headlight relay harness, side marker/blinker mod
BC4E Dead Pedal, Upgraded Speakers, 35% Window Tint, De-chromed Exterior, Soundproofing.
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#2699028 - 04/21/13 08:54 AM
Re: PCV looking thing on left valve cover
[Re: JSO2003P71]
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Poobah
Registered: 12/14/02
Posts: 8853
Loc: MA
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If this fitting is toward the firewall, then it connects to the intake tract. There should also be a fitting or a hole in the intake tract and these two connect together. If that hose is missing, you have unmetered air going into the throttle body and that's the reason for your CEL.
_________________________
'03 Mercury Marauder (The Blackbird)
Trilogy Motorsports supercharged #61
Too many mods to list / Driveway Queen
'11 Grand Marquis LS Ultimate Edition (Black)
'00 Grand Marquis GS (Silver)
Rotted frame and broken transmission crossmember
Being resurrected...slowly.
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#2699031 - 04/21/13 09:12 AM
Re: PCV looking thing on left valve cover
[Re: RF_Overlord]
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Metroplectic
Registered: 01/31/03
Posts: 41280
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#2699048 - 04/21/13 10:14 AM
Re: PCV looking thing on left valve cover
[Re: JSO2003P71]
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Climber
Registered: 04/11/13
Posts: 772
Loc: Florida
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Sorry, Its a 2003. Here is a picture of it. 
_________________________
2003 cvpi,2008 cvpi,1994 honda accord,1976 camaro,1988 c1500,2001 honda accord,1999 honda accord,1994 suzuki rf900r,2012 Dodge charger,2001 mustang gt,2010 impala,2013 impala,2013 Taurus
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#2699052 - 04/21/13 10:29 AM
Re: PCV looking thing on left valve cover
[Re: JSO2003P71]
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I know nothing
Posting Addict
Registered: 06/05/10
Posts: 19872
Loc: I can see Detroit from here!
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there should be a hose from there to the port on the intake tube that is next to the hose that goes to the IAC (the one that is connected still). if its disconnected/missing then not only do you have a vacuum leak, then you are getting unmetered/unfiltered air in thru the hole in the zip tube.
_________________________
-Steve  2006 Audi A6 ~132k miles, stock. 1998 Mercury Grand Marquis LS HPP ~100k miles, slowly acquiring modifications. 1997 Town Car Cartier ~145k miles, Ported Plenum, Gutted Airbox, Contour E-fan Retrofit, Dual exhaust with Magnaflows, cats deleted, MSD Ignition, KYB Gas-A-Justs, P71 front bar, air ride reinstated, Projector retrofit, Caddy 4-note horn retrofit, Wood rim steering wheel retrofit, holistic weight reduction as the parts fall off.. 1996 Mercury Grand Marquis GS 117,485mi. R.I.P. 7/14/12 
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#2699053 - 04/21/13 10:29 AM
Re: PCV looking thing on left valve cover
[Re: JSO2003P71]
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Mr. 427
Grand Poobah
Registered: 03/18/07
Posts: 12312
Loc: Rhode Island
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There's a tube that connects that valve cover to the second hole on the backside of the air intake tube.
_________________________
1964 Ford Galaxie 500 R-Code
1972 Ford Galaxie 500
2008 Ford CVPI
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#2699064 - 04/21/13 11:26 AM
Re: PCV looking thing on left valve cover
[Re: JSO2003P71]
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Over the Hill
Registered: 12/05/09
Posts: 3017
Loc: Kansas City
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That connects to the intake tube like mentioned above. That's the intake side of the PCV. The return is on the passenger side and connects to the plenum.
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2000 P71. -PI intake, BBK 78mm throttle intake, 80mm MAF, Granatelli COPs, Autolite plugs, Ford 30# injectors, MMR fuel rails, Ford GT cam followers, K&N filter, UD pulleys, Stewart WP, Comp XE262H cams, Trick Flow cam spacers, Stainless Works long tubes w/catted lead pipes, 2.5" cat-back w/MagnaFlow x-pipe & Jones Full Boar mufflers, Heinous CAs, Metco Watts-Link, Energy Suspension bushings & end links, 4:10/Trac-lok w/carbon fiber clutches, Setina rear window barriers, Taxi Depot front bumper guard, Sony head unit, Pioneer speakers, tuned w/Sniper.
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#2699088 - 04/21/13 01:56 PM
Re: PCV looking thing on left valve cover
[Re: JSO2003P71]
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Climber
Registered: 04/11/13
Posts: 772
Loc: Florida
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OK, I went out and looked and I see where it goes now. Right next to the other tube. There are several parts I need for this car. Is there a swap meet section on this site? Is this tube only on the police interceptor engine?
_________________________
2003 cvpi,2008 cvpi,1994 honda accord,1976 camaro,1988 c1500,2001 honda accord,1999 honda accord,1994 suzuki rf900r,2012 Dodge charger,2001 mustang gt,2010 impala,2013 impala,2013 Taurus
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#2699091 - 04/21/13 02:00 PM
Re: PCV looking thing on left valve cover
[Re: JSO2003P71]
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I know nothing
Posting Addict
Registered: 06/05/10
Posts: 19872
Loc: I can see Detroit from here!
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nope, its on all Panthers. There is no difference between the police interceptor engine and a regular CV/GMQ/TC engine. Power difference comes from a more aggressive tune and dual exhausts.
Like posted above, that tube supplies air into the block and the PCV valve on the other valve cover sucks it back out creating a closed circulation for crank case pressures.
_________________________
-Steve 2006 Audi A6 ~132k miles, stock. 1998 Mercury Grand Marquis LS HPP ~100k miles, slowly acquiring modifications. 1997 Town Car Cartier ~145k miles, Ported Plenum, Gutted Airbox, Contour E-fan Retrofit, Dual exhaust with Magnaflows, cats deleted, MSD Ignition, KYB Gas-A-Justs, P71 front bar, air ride reinstated, Projector retrofit, Caddy 4-note horn retrofit, Wood rim steering wheel retrofit, holistic weight reduction as the parts fall off.. 1996 Mercury Grand Marquis GS 117,485mi. R.I.P. 7/14/12
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#2699210 - 04/21/13 06:39 PM
Re: PCV looking thing on left valve cover
[Re: JSO2003P71]
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Climber
Registered: 04/11/13
Posts: 772
Loc: Florida
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OK, Thanks everyone for the info. Sounds like we don't want to be driving without the tube. I'll have to get one soon.
_________________________
2003 cvpi,2008 cvpi,1994 honda accord,1976 camaro,1988 c1500,2001 honda accord,1999 honda accord,1994 suzuki rf900r,2012 Dodge charger,2001 mustang gt,2010 impala,2013 impala,2013 Taurus
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#2699698 - 04/22/13 06:16 PM
Re: PCV looking thing on left valve cover
[Re: JSO2003P71]
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Rookie
Registered: 07/14/12
Posts: 59
Loc: Warren, Ohio
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Hmmm there should've been a picture there^^^^
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"Stranger Things Have Happened"
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#2699885 - 04/23/13 06:08 AM
Re: PCV looking thing on left valve cover
[Re: JSO2003P71]
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Climber
Registered: 04/11/13
Posts: 772
Loc: Florida
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Is it metal where it plugs into the air intake?
_________________________
2003 cvpi,2008 cvpi,1994 honda accord,1976 camaro,1988 c1500,2001 honda accord,1999 honda accord,1994 suzuki rf900r,2012 Dodge charger,2001 mustang gt,2010 impala,2013 impala,2013 Taurus
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#2699932 - 04/23/13 10:07 AM
Re: PCV looking thing on left valve cover
[Re: JSO2003P71]
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I know nothing
Posting Addict
Registered: 06/05/10
Posts: 19872
Loc: I can see Detroit from here!
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it is plastic where it goes into the intake.
_________________________
-Steve 2006 Audi A6 ~132k miles, stock. 1998 Mercury Grand Marquis LS HPP ~100k miles, slowly acquiring modifications. 1997 Town Car Cartier ~145k miles, Ported Plenum, Gutted Airbox, Contour E-fan Retrofit, Dual exhaust with Magnaflows, cats deleted, MSD Ignition, KYB Gas-A-Justs, P71 front bar, air ride reinstated, Projector retrofit, Caddy 4-note horn retrofit, Wood rim steering wheel retrofit, holistic weight reduction as the parts fall off.. 1996 Mercury Grand Marquis GS 117,485mi. R.I.P. 7/14/12
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