18/10/2025
We were called out to help with a Ford Es**rt running a MaxxECU imported from SA. The car had starting issues, so we first jumped on remotely to look through MTune. There is nothing majorly wrong with the configuration itself.
When we arrived in person, we spotted the first tooth angle set slightly out with our timing light. We also found the external ignitor had failed on one track and provided a very weak ignition. Thankfully, it was a 3-output ignition module running a 4-cylinder wasted spark coil, so we repinned it to another channel and got it firing the other cylinders again.
On top of that, the HT leads had the wrong terminals for the coilpack, and years of wear plus poor connections meant they were breaking down under cranking. The vibrations caused an intermittent spark, and after repeated failed starts, the plugs had also fouled.
For future reliability & performance, we’d recommend upgrading to internally amplified coilpacks, plus a CAN Lambda module or upgrade to an ECU with a lambda module built in. All available on our website 👉 https://asdtuninguk.com
