Speedometer problems
Thread Starter
Joined: Mar 2007
Posts: 19
Speedometer problems
Ok i just had my engine changed, I have a 1997 eclipse rs the old engine was knocking really bad and didn't feel like dealing with it. Now i found a used engine from a 95 eagle talon same as the 97 eclipse 420a n/a with 71k on it and installed that one. The problem is that the speedometer is 10 m/h ahead meaning, for example the speedometer reads 60 m/h but i'm actually only going 50 m/h. i had a friend drive at the same speed on the highway. So does anybody know what's causing the speedometer 10 m/h ahead?
Joined: Apr 2007
Posts: 81
RE: Speedometer problems
i have a gst 97 with the same problem people were telling me it was my tires but i have had multiple sets of tires snow tires street tires old ****ty one to burn but it always reads 10 mph faster i guess its just the way the gauges are setup i dont really know what else it could be
Thread Starter
Joined: Mar 2007
Posts: 19
RE: Speedometer problems
Yea maybe its the gauges the previous owner put that indiglo gauges on it. Plus my temperature is stuck like a 1/4 down but itcomes up when its hot it never goes all the way down though when it's cold. I always have to take the instrument cluster out then reset it again.
Joined: Aug 2006
Posts: 392
From:
RE: Speedometer problems
mine reads 2 mph faster when i got past a speed sensor things we have around here, but my buddies new kia does the same thing, so we think it's the sensors on those things, and plus when i got my new speed sensor in, i got it calibrated to the right speed. so if you have a little bit of change it might be in need of calibration.
Senior Member
Joined: Nov 2006
Posts: 3,430
From: Colorado Springs, CO.
RE: Speedometer problems
ORIGINAL: kikoavy
Ok i just had my engine changed, I have a 1997 eclipse rs the old engine was knocking really bad and didn't feel like dealing with it. Now i found a used engine from a 95 eagle talon same as the 97 eclipse 420a n/a with 71k on it and installed that one. The problem is that the speedometer is 10 m/h ahead meaning, for example the speedometer reads 60 m/h but i'm actually only going 50 m/h. i had a friend drive at the same speed on the highway. So does anybody know what's causing the speedometer 10 m/h ahead?
Ok i just had my engine changed, I have a 1997 eclipse rs the old engine was knocking really bad and didn't feel like dealing with it. Now i found a used engine from a 95 eagle talon same as the 97 eclipse 420a n/a with 71k on it and installed that one. The problem is that the speedometer is 10 m/h ahead meaning, for example the speedometer reads 60 m/h but i'm actually only going 50 m/h. i had a friend drive at the same speed on the highway. So does anybody know what's causing the speedometer 10 m/h ahead?
98eclpsrider, you have aftermarket rims correct? That could be your issue, or was your issue.
Joined: Aug 2006
Posts: 392
From:
RE: Speedometer problems
ORIGINAL: silvercoupe97
98eclpsrider, you have aftermarket rims correct? That could be your issue, or was your issue.
98eclpsrider, you have aftermarket rims correct? That could be your issue, or was your issue.
Senior Member
Joined: Nov 2006
Posts: 3,430
From: Colorado Springs, CO.
RE: Speedometer problems
Well, the size of the rim doesn't matter as long as you stay within the stock, overall, diameter..to include the tires. If your car originally came with 215/50/17, 205/45/18 is fine...I believe that's correct, it's close enough for the point. If you're even a tad under or over, your speedo will start to be off and noticable after and around 50-55mph.
Senior Member
Joined: Nov 2006
Posts: 3,430
From: Colorado Springs, CO.
RE: Speedometer problems
I always suggest using an online wheel calculator when buying new ones. I've got a couple of them, I found this one pretty quickly, so here it is...
http://www.discounttire.com/dtcs/infoTireMath.dos
Use this one for the next buy, unless you stay with the overall size that you have now that is.
http://www.discounttire.com/dtcs/infoTireMath.dos
Use this one for the next buy, unless you stay with the overall size that you have now that is.
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