![feature_image](https://s3.us-east-2.amazonaws.com/prod.mm.com/cache/a0/90/a090c86b10eeaee22e7a701a00ee244d.jpg)
During our Sunshine Yellow 1992 Mazda Miata's last test day at The FIRM, the car developed a terrible misfire. Before we can race at Sebring, we need to get it running correctly.
The culprit was easily found with a few minutes, a service manual, and a multimeter: a bad ignition coil pack. We ordered a few used ones …