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Nissan Quest/Mercury Villager Starting & Stalling Problems

320 messages,  Last post on Nov 22, 2009 at 9:22 PM

You are in the Nissan Quest Forum. Your Host is Karens

What is this discussion about? Nissan Quest, Mercury Villager, Van


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#309 of 320
Re: need help....!! [shortz1994] by rockmobile
Oct 04, 2009 (7:40 am)
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Replying to: shortz1994 (Oct 02, 2009 6:12 pm)

What year is that Quest and how many miles?
#310 of 320
Suddenly started running rough by gene55
Nov 10, 2009 (1:32 pm)
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Hello: My 2000 Villager has 37000 miles and to this point has run flawlessly. I had taken on a trip on the expressway and it ran fine. Then a couple days later I used it again and about a half mile from home it started running rough. After a four mile trip I returned home and it was really running rough, on the verge of stalling at traffic lights, and the check engine light would flash on and off mostly when accelerating.
 
I have read many of the posts and multiple things could cause the engine to run rough but what would cause it to go from perfect to horrible so quickly?
Thanks for reading. Gene55
#311 of 320
Re: Suddenly started running rough [gene55] by steve_ HOST
Nov 10, 2009 (6:31 pm)
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Replying to: gene55 (Nov 10, 2009 1:32 pm)

When my '99 Quest started doing something like that a year or so ago, it threw off a knock sensor code. I replaced the knock sensor (big bucks!), but before doing something like that, find out what made the code go off. You can get the code read for free at most auto parts stores. Fixing the problem may mean that the sensor itself is ok. I had some clogged injectors too, apparently.
 
I say apparently because I don't really trust what the mechanic did and it took them all day to diagnose the problem. But it's been running ok since.
 
So, please get the codes read and come back with that report, and someone mechanically minded should be able to suggest some ways to proceed. Like you say, it could be multiple things.
 
Steve, visiting host
#312 of 320
Nissan Quest 1997 running "lean" by rardon
Nov 10, 2009 (7:33 pm)
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I just change the oxygen sensor and the knock sensor and drove it 2000 miles. All of a sudden, it started to run rough and then now today, the check engine light came on. I took it to the shop where they had fixed it the last time and they stated that the computer signal came back as "running lean". I know that the PVC valve could be in the way as well as the MAF sensor in the air filter. Any other idea? I don't want to spend another $500 for a simple fix.
#313 of 320
Re: Suddenly started running rough [gene55] by efitzgerald
Nov 12, 2009 (5:26 am)
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Replying to: gene55 (Nov 10, 2009 1:32 pm)

Distributor...read past posts
#314 of 320
Re: Suddenly started running rough [gene55] by gene55
Nov 12, 2009 (12:16 pm)
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Replying to: gene55 (Nov 10, 2009 1:32 pm)

Hello: I wrote post #310 about the 2000 Villager and I am not certain where to put this post but I have some new information. I had three error codes, in the order they read they are:
P0325 Knock Sensor 1Circuit (Bank 1), P0303 Cylinder 3 Misfire Detected, and the last one P0303 Cylinder 3 Misfire Detected and the meter showed a little Pd symbol after it.
 
I checked the plug wires at the distrubtor cap and at the plugs, one by one and they were clean, corrosion free and secure. I took the distributor cap off and it was nice and clean. The car was my wife's and only has 37,000 miles and she didn't work so it was in the garage most of the time. The rough running starting very suddenly.
#315 of 320
problem solved, lesson learned by gene55
Nov 13, 2009 (11:48 am)
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Hello:
 
Anyone following my posts will see that I had a combination of error codes, specifically P0303 and P0325 the infamous knock sensor. Anyway I eventually did what I usually do first with a rough running car and poured a bottle of Gumout into the gas tank. After a very short idle period it smoothed out then I erased the error codes, drove it around a couple times, re-checked, no more error codes. Moral to the story, check the basics first. Much cheaper than going to the dealer and don't rely on the codes.
#316 of 320
Re: problem solved, lesson learned [gene55] by steve_ HOST
Nov 13, 2009 (2:45 pm)
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Replying to: gene55 (Nov 13, 2009 11:48 am)

Good to hear Gene (and yeah, been following your saga).
 
Steve, visiting host
#317 of 320
1999 mercury villager dies when coming to a stop by dennymorgan75
Nov 22, 2009 (5:18 pm)
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My wife has a 1999 Mercury Villager that hasn't been driven in over 2 years. I guess it started running rough then it started dying when she would come to a stop an wouldn't start back up for a little bit. I'm not sure what sensor was replaced but I think it was the mass flow sensor but when they tried to drive it around the block it still continued to do the same thing. If anyone has any idea what this could be please help, she's moving from Oregon to Kansas to come be with me where I am stationed and her other vehicle is a POS.
#318 of 320
Re: 1999 mercury villager dies when coming to a stop [dennymorgan75] by jwooden
Nov 22, 2009 (6:18 pm)
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Replying to: dennymorgan75 (Nov 22, 2009 5:18 pm)

Not a lot to go on, but just an idea you might try and won't cost much. It could be the injectors that have gotten gunked up from sitting so long. Lucas injector cleaner does a good job of cleaning them if they are not too bad. You need to drive it a bit to get working though which might be tough if it is running poorly. Could have someone check the air filter too. Sometimes mice get in there and make a nest when it sits that long and could clog stuff up.
Hope that helps

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