Miata Turbo Forum - Boost cars, acquire cats.
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Miata Turbo Forum - Boost cars, acquire cats. (https://www.miataturbo.net/)
-   General Miata Chat (https://www.miataturbo.net/general-miata-chat-9/)
-   -   Brakes went out (https://www.miataturbo.net/general-miata-chat-9/brakes-went-out-49323/)

wrxnova 10-13-2010 06:19 PM
3 Attachment(s)
Originally Posted by TurboTim (Post 597945)
Similar thing happened to me. When I first built my sideways intake mani the progressive linkage on the TB hit something and got jammed wide open. shutting the car off while it's bouncing off the rev limiter made the tach go the wrong way and zero out pointing down. Like you I had to take the cluster apart adn spin the needle around.

No cops though.
Drove miata all day today and went to start it up after work and as I put the key in the ignition and turned it to acc on the tach jumped to red line and back and then rested in its current position (6 o clock).

Wondering if your tach looked like the following before I disassemble mine and reposition the needle. Only recent mod is COPS but I took apart the ignitor, to verify the white tach wire was still connected and it is.

EDIT : Tach works in tunerstudio


Car off / key out of ignition

Attachment 193573

Car off / key in ignition in acc on position

Attachment 193574

car on

Attachment 193575

TurboTim 10-14-2010 08:44 AM
yep that's exactly what mine looked like.

wrxnova 10-15-2010 11:53 AM
Originally Posted by TurboTim (Post 642967)
yep that's exactly what mine looked like.
Thanks, spun tach needle counter clockwise and problem solved... temporarily. The tach needle spiked 0 to 7k again this morning as I went to start the car (acc on position) but thankfully it went back to 0. Something screwy is going on with my COPs that im yet to figure out.


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