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Hi,

i have an ecu problem. I've chiped an ecu a while ago and it worked fine for some years. Now i have the problem from one day to another (also on different car's when swaping the ECU) that i get a solid CEL and no fuel pump prime when i turn the key on.

Also the engine doesn't start.

Haven't checked ignition and injection so far but i think there will be not much of it.

I also cut the JP11 to run the stock program from the CPU, but also the same, so ROM is ok. Also checked the ROM content because first thought about a broken EPROM.

Can anyone help?

Thanks.

Start by replacing all Electrolytic Capacitors