1999 Honda Accord 1999 Honda Accord EX 2.3 AT Speedometer n

Tiny
JAKE5757_2000
  • MEMBER
  • 1999 HONDA ACCORD
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 20,800 MILES
I have a 1999 Honda Accord that I just put a JDM Transmission in and when I go like 40 MPH or higher the speedometer is reading like 10 MPH faster then what I am doing. I went through a school zone and it seemed ok at 30 MPH or less.(Speed reading sign). Any ideas?\
Wednesday, October 7th, 2009 AT 7:41 PM

3 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Possible Wrong differential
hook it up to a scanner and drive it as you compare the scanner speed to cluster reading what you have?

Also try and use old sensors from the old tranny
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Wednesday, October 7th, 2009 AT 8:57 PM
Tiny
JAKE5757_2000
  • MEMBER
  • 2 POSTS
I did switch the sensors. What kind of scanner are you talking about?
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Wednesday, October 7th, 2009 AT 9:18 PM
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Any one that can read PCM data
for now
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Wednesday, October 7th, 2009 AT 9:20 PM

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