that darn flashing d4 - HondaClub.com

kcpizza · 06-09-2006, 05:33 PM

Hey all,

I have a 94 Legend GS

About a year ago I had a problem in winter where the car would be hard to start after running. It would be about 2-3 minutes of turning over before it would start and then run fine. This lasted only a few weeks and then never again.

Now the speedometer freaks out (mostly in rain). It will either drop to zero or fluctuate wildly. After it does that, the D4 flashes 2 times per second.
There are no side effects at all at this time. The car drives like it is new.
I have read it could be the dash relay, the speed sensor, the tranny, ...etc.

I can bring it to Acura but the $85 per hour is a little steep. There has to be someone that knows and not just guesses! Any help????
Thank

95hondasporter · 06-09-2006, 07:37 PM

im no pro but im currently havin the same problem with my speedometer where it sometimes works n sometimes dont then at times it goes wild my grandfather is a mechanic of 35 years and he looked at it and said that it would be the speed sensor if you come acoss a good mechanic that would be the frist thing that i would get tested

matt

doughboy · 10-19-2006, 03:37 PM

It is the speed sensor, mine was doing it also, all it was, the plug had come loose somehow, just pushed it down heard the plug click, no problems since.

boxcarracer0260 · 10-21-2006, 01:20 AM

if checking the plug doesn't fix it...it is held on by one bolt and it is really easy to switch out....it is located on the casing closest to the firewall. It is inbetween the two half shafts on the tranny...right above the diff.

06-09-2006, 05:33 PM	#1 (permalink)
kcpizza Junior Member Join Date: Jun 2006 Location: jaffray, New Hampshire United States Posts: 3	that darn flashing d4 Hey all, I have a 94 Legend GS About a year ago I had a problem in winter where the car would be hard to start after running. It would be about 2-3 minutes of turning over before it would start and then run fine. This lasted only a few weeks and then never again. Now the speedometer freaks out (mostly in rain). It will either drop to zero or fluctuate wildly. After it does that, the D4 flashes 2 times per second. There are no side effects at all at this time. The car drives like it is new. I have read it could be the dash relay, the speed sensor, the tranny, ...etc. I can bring it to Acura but the $85 per hour is a little steep. There has to be someone that knows and not just guesses! Any help???? Thank

10-19-2006, 03:37 PM	#3 (permalink)
doughboy Member Join Date: Aug 2006 Location: corapeake, North Carolina United States Posts: 30	It is the speed sensor, mine was doing it also, all it was, the plug had come loose somehow, just pushed it down heard the plug click, no problems since. __________________ BUILT NOT BOUGHT

10-21-2006, 01:20 AM	#4 (permalink)
boxcarracer0260 Senior Member Join Date: Aug 2006 Posts: 302	if checking the plug doesn't fix it...it is held on by one bolt and it is really easy to switch out....it is located on the casing closest to the firewall. It is inbetween the two half shafts on the tranny...right above the diff. __________________ Check out me 1993 EG6 "Under Construction"

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06-09-2006, 07:37 PM	#2 (permalink)
95hondasporter Junior Member Join Date: Jun 2006 Posts: 3	im no pro but im currently havin the same problem with my speedometer where it sometimes works n sometimes dont then at times it goes wild my grandfather is a mechanic of 35 years and he looked at it and said that it would be the speed sensor if you come acoss a good mechanic that would be the frist thing that i would get tested matt