Car starts at cold start only

[Fendamonky]

It depends a lot on your budget.

Haltech PS1000 or PS2000 are capable and not going to be *too* expensive.

Adaptronic is a relatively new company that has become popular.

Syvecs makes VERY good stuff, but they're a bit more pricey. (I've personally got a Life Racing ECU, which is the motorsports sister-company to Syvecs).

The last few years have seen MAJOR advances in ECU capability and accessibility. AEM and Haltech both had an "arms race" so to speak which produced the AEM Infinity and Haltech Elite, both being BADASS computers.

Where are you physically located? At the end of the day ANY ecu is only as capable as the person tuning it (except for Microtech. Friends don't let friends put a microtech in their street FD. Ever!!) so you'll want to speak with whoever is tuning it.