Question about 2001 Mercury Sable

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I have a 2001 mercury sable with a 3.0 dohc engine. When you start the engine it misses and runs rough till it warms up, it then runs fine

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  • Mercury Master
  • 946 Answers

Run the codes,change spark plugs,clean the MAF sensor and always make sure to replace a fuel filter every 30K miles. don-ohio

Posted on Jan 07, 2013

  • don-ohio Jan 07, 2013

    Oh,I forgot that the book says it could be EGR valve stuck,dirty.

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Posted on Jan 02, 2017

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snafu86
  • 193 Answers

SOURCE: I have a 2002 Mercury

You have a vacuum leak some where. Engine uses vacuum to burn gas vapors in gas tank. This is the EVAP SYSTEM. This system can detect a small leak or large leak. (gas cap light.) But there are also other items on the car that use vacuum to do work. The PCV circuit . This vents the engine's crank case. Also power brakes and some ac/heater controls. Now it sound like a good size vacuum leak if car idle is "high". I would say open the hood and listen. When car first starts idle should be around 1500 rpm or so. If you have a tachometer in car. then as it starts to warm up the idle should start to go down. Then listen for a hiss around the center of engine compartment. the black tube and ribs looking thing is your intake where vacuum ports would start. Check line or hoses to see if cracked or broken. Ford/Mercury like to use hard plastic for lines and become brittle after a while and break.

Posted on Dec 19, 2010

  • 8 Answers

SOURCE: 2001 mercury sable 3.0 24V

I have the same problem few days ago, and still didn't find any solution. Can any one please help?????18

Posted on Jul 28, 2011

greg_margo
  • 1959 Answers

SOURCE: mercury sable 2001 duratec engine DOHC I get check engine light and diagnostic code PO401". Any suggestions?

Barring any vacuum leaks, P0401 is indicative of a bad EGR valve. Hope this answers your question. Best of luck.
Greg

Posted on May 30, 2009

AutoDoc
  • 169 Answers

SOURCE: 2001 MERCURY SABLE ENGINE LIGHT ON. WAS COLD

Dear Eip55,
It sounds like the misfire monitor turned the check engine light on. What you are saying is the vehicle ran rough when started cold and as it warmed,it straightened out, but the check engine light stayed on. If what was causing the miss has corrected itself,you can try disconnecting the battery and let it sit for about ten minutes. Then reconnect the battery.This may allow the PCM to reset and the light to go out.
If the concern happens again tomorrow,you need to have the code pulled so you can get to the cause.
If you want to send me the code,I will be happy to look it up and give you some information. If you decide to do this,send me the engine size too.
Good luck,I hope this helps,Chuck

Posted on Dec 22, 2009

  • 57 Answers

SOURCE: 1999 Mercury Sable 24v OHC engine, starts normal

this is a difficult one..
check for vacuum leaks by possibly a visual inspection and then spraying starting fluid around hoses , intake and so on..if any change, you might have found a vacuum leak/bad gasket.
otherwise, DO clean the Idle Air Control Valve 1st.
then check and clean EGR valve next..

Posted on Sep 30, 2010

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Diagram of how wires go on spark plugs for a 2001 mercury sable


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Dec 22, 2009 | 2001 Mercury Sable

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Mercury sable 2001 duratec engine DOHC I get check engine light and diagnostic code PO401". Any suggestions?


Barring any vacuum leaks, P0401 is indicative of a bad EGR valve. Hope this answers your question. Best of luck.
Greg

May 30, 2009 | 2001 Mercury Sable

2 Answers

Rough idle


Mercury had a recall on 3.0 duratech motors in 2000 and 2001. If you get a fuel smell at startup then you might have a bad lower intake gasket, it could cause a miss if seal is cracked. Article No. 01-4-3 you can get it on AllData.

Also, check the PC rubber L piece that runs from the PVC valve to under the throttle control - it could be busted.

Make sure ignition wires are not cracked. If you haven't tuned it up in over 30-40K consider doing that.

Feb 03, 2009 | 2001 Mercury Sable

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