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Today's topics:
* 1991 Nissan Sentra- reduced gas mileage- where to check? - 1 messages, 1
author
http://groups.google.com/group/alt.autos.nissan/t/0b5d5a4effba048b?hl=en
* Tire noise - 2 messages, 2 authors
http://groups.google.com/group/alt.autos.nissan/t/82a2260b56da8f70?hl=en
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TOPIC: 1991 Nissan Sentra- reduced gas mileage- where to check?
http://groups.google.com/group/alt.autos.nissan/t/0b5d5a4effba048b?hl=en
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== 1 of 1 ==
Date: Wed, Nov 16 2011 4:07 pm
From: nucleus
have you determined if the ECM is operating in closed-loop-control?
On Nov 12, 11:19 am, robbie <robbie.h.wil...@gmail.com> wrote:
> the factory rating for my 1.6L 4 speed manual sentra claims 25 city
> 33 highway. I have always maintained over 30mpg when I check the
> mileage between fillups. I generally do this using a full tank of gas
> so as to get a better average. Now my mileage is under 25 and has been
> as low as 22mpg. I have done a tuneup, installed a new O2 sensor,
> checked the MAF sensor, but haven't found anything out of the
> ordinary. I was wodering if I could have leaky injectors, despite the
> fact that the car runs and idles fine. I have replaced an injector
> about a year ago because it quit working entirely (kind of obvious
> when you lose a cylinder's worth of power on a 4 cylinder engine!) but
> the other 3 are original and have 160k miles on them. Any advice out
> there for me? This is my daily driver for work (30 miles/day) and I
> would love to have those mpgs back!
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TOPIC: Tire noise
http://groups.google.com/group/alt.autos.nissan/t/82a2260b56da8f70?hl=en
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== 1 of 2 ==
Date: Sat, Nov 19 2011 2:54 pm
From: nucleus
Can rubber in tire treads have "soft spots" that wear faster than
adjacent
rubber, thereby causing cupping? I replaced all four struts and tires
13K
miles ago and now have cupping so severe that there is major road
noise,
which is significant because this 94 Sentra does not have the
soundproofing
that newer automobiles have.
Apparently, I am not the only one with tire noise; I periodically
hear
automobiles going down the street with that same kind of tire noise.
== 2 of 2 ==
Date: Sat, Nov 19 2011 5:47 pm
From: willshak
nucleus wrote the following:
> Can rubber in tire treads have "soft spots" that wear faster than
> adjacent
> rubber, thereby causing cupping? I replaced all four struts and tires
> 13K
> miles ago and now have cupping so severe that there is major road
> noise,
> which is significant because this 94 Sentra does not have the
> soundproofing
> that newer automobiles have.
>
> Apparently, I am not the only one with tire noise; I periodically
> hear
> automobiles going down the street with that same kind of tire noise.
When did you last have the wheels aligned?
--
Bill
In Hamptonburgh, NY
In the original Orange County. Est. 1683
To email, remove the double zeroes after @
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