Technical 2001 Punto 1.2 8v running on two cylinders (faulty ecu)

[judderbar]

Do you know if the upgraded hw303 ecu would work in a car with hw003 as original? Was thinking if it would work if one bought the kit with ecu, immobilizer and key.

Good question. The earlier ECU hardware version failure caused by the coils was so common you would imagine the later hardware version was designed to be a plug and play solution. Can you get a kit which has the same body computer as the one you are using now?

 

[judderbar]

it seems you can replace HW003 with HW303. So the easiest solution is to get a virgin HW303.

IAW 59f .m3 Missfire Common Fault

Just wondered if anyone can help me out with this one. Its a common problem With the ECU as far as i can tell. however My problem only seems to be on Coil pack B and Intermitant. can anyone tell me if the posting HERE will fix it I have opened the ECU and everything looks fine. The...

www.digital-kaos.co.uk

 

[Halse108]

I put in the hw303 ecu this week and the Fiat runs again as normal, thanks for the help everyone!