Question about 1999 Mercury Villager

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I have a 1999 mercury villager that has a slight misfire P303

I have a 1999 mercury villager that has a slight misfire at idle but does not seem to affect performance much when off idle. The tachometer is also stuck at 2500 rpms. Code P303 shows. I also hear a sound like a vacuum leak but cannot find. I Changed plugs and the plug wire on #3 tested ok.cannot get at the injector to check because of the intake manifold

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  • Mercury Master
  • 4,369 Answers

First clean the MAF sensor with carb cleaner several times with spray.

Then spray short bursts around intake manifold connections to see if idle flares up. That is where leak is.

go here for more help

http://groups.yahoo.com/group/villagerquest/

Posted on Apr 24, 2010

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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rockitman187
  • 2559 Answers

SOURCE: I have a 1996 eclipse and the number 2 cylinder is misfiring.

Check the following

  1. Throttle position sensor
  2. Mass air flow sensor
  3. EGR valve
  4. Replace the plugs and wires
Please rate this a fixya

Posted on Feb 07, 2009

emissionwiz
  • 76846 Answers

SOURCE: Tachometer not working on 1999 mercury villager

his problem is caused by the failure of the circuit board that operates the tach needle, you will have to remove the instrument panel then the tach from the panel and send it out for repair to an authorized Nissan electronics repair center, contact your local dealer for the name and number.

Posted on Dec 01, 2008

  • 366 Answers

SOURCE: 2000 gmc Jimmy misfiring

change fuel filter ,have inject. system cleaned

Posted on Mar 12, 2009

chrischronic
  • 235 Answers

SOURCE: 2000 Mercury Sable 24V 3.o engine. Need to know

yes about the upper intake and the only way i know how to check the coils is with a engine anilyser or if the check engine light comes on then you can have the codes pulled and that will tell you which cylender is missfiring this engine has a indevidual coil for each spark plug so thares 6 of them and thay slide right down over the sparkplugs

Posted on May 05, 2009

thunderalley
  • 432 Answers

SOURCE: Intake manifold cracked and leacking coolant (External)

You can clean the area really good with degreaser and apply JB Weld but that is only a temporary fix it will leak again

Posted on Oct 04, 2009

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Repair the code issue, because your Villager has OBD-II which is a very helpful Diagnostic system. Upvote (4) ... My 1999 Villager was running poorly; rough idle, lack of power at highway speeds and the engine problem light indicated random miss-fire, etc. I had new spark ... Have code po306 cylinder 6 misfire detected.

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Dec 17, 2015 | 2002 Mercury Villager

2 Answers

1999 Mercury Villager Causes Of High Idle?


usually it is a vacuum leak which is letting more air into the engine. With engine running, use a spray water bottle and mist around all vacuum lines, the power brake booster and engine seams. Then try any vacuum line to the transmission. Could also be a burst vacuum shift diaphram if so equipped.

Aug 31, 2015 | 1999 Mercury Villager

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Why does idle remain high on 1999 mercury villager


A stuck idle speed control motor ! Tap it with a wrench or something similar , You'll find it located on the throttle body ! Ford IAC valve test how to adjust minimum idle speed

Apr 07, 2015 | 1999 Mercury Villager

1 Answer

1999 mercury villiager is revving up when put in park


does it stay at high idle, or come down. If it stays does it seem to coast faster than usual? If so, I'd say it sounds like an air intake gasket More info please

Apr 07, 2014 | 1999 Mercury Villager

2 Answers

Code 0300 2000 Mercury Villager


Camshaft position sensor causing random misfire. Stuck EGR valve or clogged EGR ports.

Please comment on my info.

Mar 30, 2013 | 2000 Mercury Villager

1 Answer

When idling at a standstill engine seems to run rough and seem like it will die but it doesn't. When driving there is a noticeable lagging feel to the drive as if the timing were slightly retarded. Like it...


Sounds like a misfire in a cylinder. Check plugs for carbon build up. If carbon on plug, there's a good chance that you will need to replace the fuel injector. Start with checking plugs and then O2 sensor(s). This is steps beyond typical tune-up check. It's especially helpful if you can get a code. AutoZone and KwikLube will run diagnostics for free.

Mar 18, 2011 | 1998 Mercury Villager

1 Answer

1999 mercury villager won't hold idle


check idle control solenoid and clean carbon from passages with carb cleaner.

go here too.

http://groups.yahoo.com/group/villagerquest/

Nov 08, 2009 | 1999 Mercury Villager

1 Answer

1999 Mercury Villager won't idle for very long will restart immediately


Idle air control valve needs passages cleaned or IAC needs replacing.

go here for expert help

http://groups.yahoo.com/group/villagerquest/

Oct 08, 2009 | 1999 Mercury Villager

1 Answer

What Can I Do About a Rough Idle on a 1999 Mercury Villager?


Check the timing, PCV, fuel filter, clean out the throttle body, air intake, and check the Exhaust gas recirculation system. Valve and all.

Nov 27, 2008 | 1999 Mercury Villager

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