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Vans & Minivans Nissan Quest Villager/Quest Knock Sensor
75 messages, Last post on Oct 25, 2009 at 6:23 PM
You are in the Nissan Quest Forum. Your Host is Karens
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I've spent some money trying to fix an odd problem with our Villager. We're not sure if the problem is fixed, simply because the problem doesn't seem to make sense to any of the mechanics who have worked on the car. I'm hoping someone here can shed some wisdom. Here's the situation: Family road trip along I-70. I'm getting warm and notice that the blower fan is not working. Naively, I think to myself that "it's probably a fuse; I'll check when we stop for gas." About 10 miles further down the road, I hear a "clunk" as if the cruise control had suddenly disengaged and the car starts to slow down. I press the gas pedal with the intention of getting back up to highway speed, but I get no response from the gas pedal. I do *not* get the high pitch whine of an engine revving in neutral. It simply does not respond. The car continues to slow down, but the needle on the speedometer slowly rises (70 mph is about 1 o'clock on the speedometer -- the needle slowly "fell" to the maximum speed, at about the 5 o'clock position on the dial). I gradually coast to a stop and shut everything down. After muttering a few words and eye balling the distance to the closest exit, I decide to try to start it up again. It starts like a charm; and, everything works. The blower fan is blowing. The car responds to the gas pedal and moves forward. I then drove the vehicle to the next town (about 45 miles) and consulted with a couple of mechanics. After carefully explaining to me that we were chasing a ghost, they recommended that we replace the speed sensor. We did replace the speed sensor. And at this point, we've driven the car another 1000 miles or so without incident. But I no longer have confidence in the car. I'm not sure that we really fixed the problem. What do you all think? Thanks, Dave |
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| Hello. I have a 99 Nissan Quest with a few issues. The speedo use to bounce all over the place and now it is not working (along with odometer and cruise control). The check engine light is on and the obdII codes come up as speed sensor and knock sensor. As well the o/d light flashes at start up for a few seconds. I have seen many others with the same problem on this and other forums, however I have not come across what the problem is, or the solution. Just wondering if anyone has come across this as well. Thanks | |
| I have issue with my engine. two codes came out P1447 and P0325. I quess the knock sensor isn't the problem, because it detects that there is an engine issue. When i drive the car on cruise controle the would pull back and surge forward. Feels really weird. Cannot figure out what is going on. And this last week i noticed that when the engine is working on parking it goes from 1000-1500-2000 rpm without me doing anything like pressing the gas pedal. Can you help me figure this out. | |
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Replying to: nicsun (Jun 05, 2007 5:11 am)
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Replying to: sarinaz (Dec 27, 2006 8:52 pm) If I am looking at all of the photos correctly, this sensor is located between the top 3 spark plugs, and the lower 3 spark plugs. I am not sure if there was a change in the model just before the 1999 model or not, thus causing the manuals to be incorrect on what is req'd to change it out. Also I have found a web site that does sell the knock sensor, but it is showing 2 different ones, the first matches the one in Steves post, the other one matches the one that I think I am seeing in my van. http://replacement.car-stuff.com/parts/carstuff/wizard.jsp?year=1999&make=MR&model=VILL--008&category=F&part=Knock%20Sensor&returnurl=null&dp=true&showdc=true#top Thanks for any advise any one has.
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Replying to: ddgiant (Jun 25, 2007 8:07 pm) I don't know the build date of my Quest off-hand; maybe that's the difference in the parts though since the first one refers to a 9/1998 and up model? Steve, visiting host |
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Replying to: mlangali (Oct 29, 2006 12:27 pm) 
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Replying to: svess6652 (Jul 22, 2007 1:18 pm) |
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Hi... I posted this under electrical, but I was looking under this thread and noticed others with speedo, etc. problems, so I decided to copy it to here. Hello. My problem/question is.... after I drive for a few miles, my speedometer, which is digital, registers the correct mph and then drops and jumps around to 0, 4, 0, 1, 3, etc. and the check engine light goes on and off intermittently. I haven't checked to see if the cruise goes out yet. There's a gas mileage indicator on the left side that will show, mpg, average mpg, miles left in tank, temperature, etc. and that will then read 7.7 mpg.... 0 mpg. Anyhow, the numbers go all haywire. The outside temp is okay. When I turn the vehicle off, start it up again, it's okay and registers correctly for a few miles and the indicator on the left shows the numbers correctly and is racking up the average mpg. Then it wacks out again. After I turn it off and put the key in the accessory position, nothing lights up. Is this all electrical, or can it be from a bad tranny sensor? This all happened when I left it at a Ford dealers on consignment. AND OF COURSE they are not responsible. I picked it up, started to drive it home, and the above happened. HELP, please. Thank you. |
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