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-   -   LS Coil Issues (https://www.miataturbo.net/engine-performance-56/ls-coil-issues-99560/)

S&S433 03-13-2019 11:08 AM

LS Coil Issues
 
Hi guys was finally able to get the car up and running after a long winter. I recently installed d585 coils and followed the FM procedure as I'm running a hydra ems. Issue I'm having is I believe a misfire from around 4k rpm and up. Of course my USB to serial adapter crapped out on me so waiting for that to arrive. What I found odd was I touched the metal bracket holding the coil and got zapped. That cant be right, so whered I go wrong? Any help is greatly appreciated.

ryansmoneypit 03-13-2019 12:31 PM

you have electrical current leaking.

sixshooter 03-14-2019 06:29 AM

That's a problem. Junkyard coils or new replacements?

S&S433 03-18-2019 11:47 AM

The coils were bought used, missed a ground wire on the sub harness which resolved the hot coil mount lol but am still experiencing a misfire. Is there any way to bench test the coil? If not probably going to order a new set and know they are working.

ryansmoneypit 03-18-2019 12:13 PM

yes, test mode in megasquirt

S&S433 03-18-2019 12:36 PM

I have a hydra ecu unfortunately

Mudflap 03-18-2019 02:40 PM

get one of these to assure that you've got a strong spark.



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