[Shotimes] Problem - My '95 MTX runs really rough when the en gine temperatur e goes up.

[MFevre@cedco.com]

Actually, I've never replaced the temp sensor. Good idea.

I'm never actually under the blue when cruising, but the needle rarely goes
higher then the "C" on the gauge either. Think I'll  try swapping the stat
and sensor out when I change the coolant this this week and see how it goes.

-----Original Message-----
From: Zach Leahy [mailto:leahyz@gmail.com] 
Sent: Monday, May 23, 2005 10:49 AM
To: MFevre@cedco.com
Cc: clubairth@peoplepc.com; shotimes@autox.team.net
Subject: Re: [Shotimes] Problem - My '95 MTX runs really rough when the en
gine temperatur e goes up.


Yeah, T-stat.   When was the last time you replaced the 1 wire temp
sensor.  they notoriouosly read too low when they get old.  Could be that
you are getting the engine way too hot due to a stuck t-stat, but the gauge
is not reading right.  If you are under the Blue lowest temp reading when
cruising, I think you need to get a new sensor.  They are about $5 at AZ.
Do it with the T-stat, it's right next to it.



Z

On 5/23/05, MFevre@cedco.com <MFevre@cedco.com> wrote:
> You know, I don't have anything to do this with, though I'm told you 
> can get readers at most auto parts stores pretty cheaply. These things 
> come with code keys, right?
> 
> In any case, the weird thing is that I had this problem happen to me 
> again this morning for just a spell; it got a little rough, so I 
> checked, and the temp gauge was a bit higher than usual. Then, right 
> before my eyes, the needle dropped down to its usual spot and 
> everything ran fine again.
> 
> Your suggestion is a good one, I think. My personal suspicion is that 
> there's something happening with either the thermostat or some piece 
> of electronics here, but I thought I'd canvas other SHO drivers for 
> their expertise as well.
> 
> -----Original Message-----
> From: Kevin & Cheryl Airth [mailto:clubairth@peoplepc.com]
> Sent: Monday, May 23, 2005 10:34 AM
> To: MFevre@cedco.com; shotimes@autox.team.net
> Subject: Re: [Shotimes] Problem - My '95 MTX runs really rough when 
> the engine temperatur e goes up.
> 
> 
> Marc:
>  Do you know how to get the trouble codes from the computer? If the 
> check engine light has come on, you should have some codes in memory. 
> . .
> 
> 
> > Hi All,
> >
> > When the gauge reaches the upper middle section of normal, (i.e. the 
> > indicator points to the "O" in "Normal" on the gauge itself), my car 
> > has taken to running really rough, lurching a bit as I gas it. The 
> > "Check Engine" light may or may not come on, but it never stays on, 
> > and as soon
> as
> > the engine cools down a bit, everything is fine, and the car runs 
> > like nothing has happened.
> >
> > The funny thing is, my car has always run on the cool side. On the 
> > open road, the needle usually stays just a hair's breadth above the 
> > blue "cool" indicator, and in heavy traffic, the temperature gauge 
> > has gone up a bit more, but things usually remain well on the low 
> > end of normal. Lately, though, the gauge seems to be going higher, 
> > and then I run into this trouble.
> >
> > I'm due to flush out and change the coolant anyway, but I think 
> > something else is happening here too.
> >
> > Anybody have any thoughts about what might be going on here?
> >
> > Thx!
> >
> > -Marc
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