Question about 2003 Lincoln Navigator

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2003 vacuum hose 4 navigator

Vacuum hoses

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Posted on Jan 02, 2017

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pippall
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SOURCE: 2003 lincoln navigator

Thats the E G R valve go and get the coeds cleared

Posted on Jun 11, 2009

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sscullys
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SOURCE: Replaced PCV Hose due to vacuum leak, idle correct

If it is the same engine design as the F-150 ( think the '98 was still the 2V V-8 ) it could be the IAC ( Idle Air Control ) is gummed up.

The F-150 it is mounted on the back of the Throttle Body ( have to take off the plastic throttle body cover to see it ), held on with 2 bolts with 8mm heads ( could be 9mm ??).

Worth taking a look, also take a look at the VAC line to the back of the throttle body, and check that the IAC connector did not get unplugged or the wires damaged from the other vac line change
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Posted on Dec 03, 2009

Testimonial: "Will do today and respond back, I have spoken to a few Ford guys, clean the T.B., check the IAC, etc. Thanks so much!"

  • 156 Answers

SOURCE: how to replace vacuum hose on 2003 lincoln navigator?

which hose? most small vacuum hoses just push on and pull off. if the fitting it is slid on is plastic be careful as they get brittle.

Posted on Dec 31, 2011

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No vacume to the erg


Vacuum line clogged or Vacuum controlling solenoid/motor issue.

There re few direct links showing exact vacuum line diagrams. I suggest you to refer the direct links.


Click the link below: -----

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How to locate the vacuum leak?

http://howtobyme.blogspot.in/2012/01/how-to-locate-vacuum-leak.html

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Vacuum Hose Routing Diagram For 1995 Chevrolet Corvette Throttle Body?

http://schematicsdiagram.blogspot.com/2011/12/vacuum-hose-routing-diagram-for-1995.html

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http://repairhelpcenter.blogspot.com/2011/11/vacuum-diagrams-for-audi-a4.html

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http://vwrepairhelp.blogspot.com/2011/11/vacuum-diagrams-for-vw-passt.html

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http://schematicsdiagram.blogspot.com/2011/12/vacuum-line-diagram-for-1996-chevrolet.html

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http://schematicsdiagram.blogspot.com/2011/12/vacuum-hose-routing-diagram-for-1995.html

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These will help.

Thanks.

Nov 27, 2012 | 2003 Cadillac Deville

1 Answer

How to replace vacuum hose on 2003 lincoln navigator?


which hose? most small vacuum hoses just push on and pull off. if the fitting it is slid on is plastic be careful as they get brittle.

Dec 31, 2011 | 2003 Lincoln Navigator

1 Answer

Heater/ac flap on 2003 f 150 won't move---stays on defrost all time


MOST LIKELY A VACUUM PROBLEM .. UNDER THE HOOD NEAR THE A/C RECIEVER DRYER LOCATE THE VACUUM HOSE THAT GOES INSIDE THE CAB . CHECK FOR VACUUM ON IT WITH ENGINE RUNNING. IF NO VACUUM CK THE ENGINE VACUUM HOSE HARNESS BACK TO THE ENGINE AND TO THE VACUUM RESERVOIR. . CORRECT ANY ENGINE VACUUM LEAKS FIRST. THEN CK INSIDE ON PASSENGER SIDE LOWER DASH FOR VACUUM HOSE CONNECTOR CONNECTION THERE SHOULD BE VACUUM ON BLACK HOSE .

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1 Answer

2003 lincoln navigator


Thats the E G R valve go and get the coeds cleared

Jun 11, 2009 | 2003 Lincoln Navigator

1 Answer

I got the codes from auto zone 4 codes came up p1151,p0171,p0174,p1131 all of the codes listed several possibilties and the MAF was listed on them all does the mass air flow censor cause this


it could but most likely not check for a vacuum leak check the hoses to the throttlebody the rubber fittings have a tendancy to get soft and collapse

May 17, 2009 | 2003 Lincoln Navigator

4 Answers

Check engine light on dash. replaced gas cap with new one, several trips still light is on. Neighbor use dianostic tool code is P 0441


have a 2003 dakota v6 and was informed by a friend that works at a dealer of issue concernig this . reciently my check engine light came on and was told when codes where checked to look under drivers side of truck along frame to the charcoal box . the center hose that goes into the box has a tendancy to crack at the end going into the box cut about an inch off of the hose if able to do so heat the hose up with a head gun or other means reconect the hose and disconnect the battery for about 10 min for computer to reset and wait if after a week light dosent come on your fixed if it dose your screwed

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