Question about 2003 Lincoln Navigator

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2000 Lincoln Navigator with rough idling and service engine light

2000 Lincoln Navigator - few days ago started idling very rough when truck is at a stop or in park. Service Engine Light came right around time I noticed that it was idling rough when stopped. Went to Advanced Auto Parts and the following codes came back P1131; P1151; P0171; P0174; What could be wrong??

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I had the same trouble, there is a rubber boot under the cover on the top of the motor, it is coming from the egr valve, takes about 5 mins to repair and less than 5 dollars.

Posted on Jul 25, 2009

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I dont know about the codes but that could be a fuel pump problem a begining of mass air flow sessor or maybe just need a good tune-up!
any probleme with your battery??

Posted on Jul 21, 2009

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2000 Lincoln Navigator - few days ago started idling very rough when truck is at a stop or in park. Service Engine Light came right around time I noticed that it was idling rough when stopped. Following...


P1131 Lack of HO2S-11 Switch ,Sensor Lean
P1151-Lack of HO2S-21 Switch ,Sensor Lean
PO171- System to Lean (Bank 1)
PO174-Systen to Lean (Bank 2)

Fuel Filter -Plugged
Low Fuel Pressure
Evap System -Leaks
Leaks - in ducting,air filter to throttle
PCV -Leaks
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Apr 06, 2011 | 2003 Lincoln Navigator

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2003 LINCOLN NAVIGATOR: ROUGH IDLING AND SOMETIMES SHUTS OFF, CHECK ENGINE LIGHT IS ON BUT NO CODES SHOWS UP ON SCANNER


Check air filter if it's dirty replace, replace fuel filter. these are the most neglected things on a car. If you need more help let me kow.
Randy

Nov 09, 2010 | 2003 Lincoln Navigator

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Check engine lights stays on with rough idle 2004 lincoln avaitor- what sensor needs to be replaced?


You will have to connect a scan tool to the vehicle to pull any codes that the computer is sending.
The number of the code will help us find the problem.
A rough idle could be a fuel or electrical problem.
Please let me know what you find.

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Loping when idling


Any time that the check engine light comes on, it indicates that the computer has found a condition serious enough to require service action. Rent a scanner, read the code(s), and pursue to repair(s). The scanner will clear the trouble light when the repairs are complete.

Oct 24, 2009 | 2003 Lincoln Navigator

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SERVICE ENGINE SOON LIGHT ON AND STAY ON


My service engine soon light stays on. The vihicle shakes as it idles. It act it wants to shut off. What's the problem

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here is a diagram of the map sensor #5.

2009-10-07_190044_3.gif

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1 Answer

Service engine soon light


a multitude of problems...must attach scan tool to read fault codes

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