DC2 Spedo Jumping NEED HELP ASAP!

[kairi_k]

Yo my dc2, spedo is doing some weird stuff, it jumps and moves between 0km/h and 220km/h randomly and not doing what its mean to do.. so when im driving i have to judge my speed.. Any ideas? need help ASAP

[Tu88y]

might need a new cluster

[kairi_k]

anyone know what might have been the source of the issue? i noticed it happened after doing a 0-100km/h run.. but that shouldn't have anything to do with it? cluster internals havent been tampered with either.

[bennjamin]

its likely a ground issue (loose or worn ground on the gearbox or head for example) or its a failing or faulty VSS - located on the gearbox.

[BRacinU]

yea could be a number of things, cluster, grounds or cables. I had a similar prob with one of my old cars it was the speedo cabl, jus got a new cable but the speedo cable can also be greased as it can become stiff over time and stick which would have symptoms like not moving from a speed then jumping up like instant 0 -60. Check to see if the odometer sticks too, if the k's don tick over cleanly then that would prob point to speedo cable.

[kairi_k]

it's working properly again. ??? an ideas to y it does that when i drive it hard?

[bennjamin]

it's working properly again. ??? an ideas to y it does that when i drive it hard?

heat might contribute....wiring from the VSS to the ecu to the dash might be badly soldered or not at all , when it heats up it might break the contact and the voltages might jumpp all over the place.

regardless you should get it looked at as it will happen again

[kairi_k]

lol yeah, its playing up again, i also thought it might be a heat issue

[b20b]

I had this before, go to the gearbox where the speedo sensors is and you will find a corroded pin in the connector,,the sensor is under neath the throttle body on the gearbox

[rosso]

If you never taken the speedo out, should be wiring problems.

[dumped echo]

Does your odometer also like scroll past really fast when the tacho is going nuts?

Yeah could be a ground issue, but interestingly enough this was happening on my friend's 96 civic with b16b along with engine hunting and lights dimming and the battery dying. I figured there must have been a short somewhere. After scratching our heads for a bit i just decided to check the under dash fuse box. I found a dead fuse and changed it and everything went back to normal. Unfortunately i can't remember which fuse...sorry but there's only like 20 of them down there.

[kairi_k]

Does your odometer also like scroll past really fast when the tacho is going nuts?

Yeah could be a ground issue, but interestingly enough this was happening on my friend's 96 civic with b16b along with engine hunting and lights dimming and the battery dying. I figured there must have been a short somewhere. After scratching our heads for a bit i just decided to check the under dash fuse box. I found a dead fuse and changed it and everything went back to normal. Unfortunately i can't remember which fuse...sorry but there's only like 20 of them down there.


strange, im sure mines not a fuse, issue thanks for ya help. the odometer works perfect. just the spedo

[dslt]

I had the same problem the other day. It fixed itself, Only on some occasions it might jump up n down or might just sit at 0