Seriously, pay attention to this.
It will give you enough info.
Type: Posts; User: nubcake
Seriously, pay attention to this.
It will give you enough info.
Theory #1:
Open ECU, check if it had a chip soldered in previously.
Any obvious soldering, that doesn't look factory.
Also, if its' ECU - when it doesn't want to start, your MIL won't light up...