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Thanks Mark for reprogramming this unit. However I still have the same problem - turning over but not starting. There is good fuel pressure. I made sure the key shroud was disconnected before installing. Do I need to leave the ECU in for a while before starting in case the software needs to...

Thanks for your quick help on my UK Jeep ECU/Immobilser problem. Can I send it to you for programming. I have tried twice so far with All Computer Resources, but it hasn’t worked. If so pleased give me address and approx. cost for fix, and confirm what I need to send. Thanks Neil

Mark Having walked away from this in frustration, I am back to have another go. At the end of the thread someone mentioned that the red light I referred to might be an aftermarket fitting for an immobilser. I am sure it is related to the problem. However it does seem to join the main wiring...

Hi. I am new to this forum. I have a 2000 Wrangler TJ 4.0L in the UK. Engine turns over but does not start. Fuel rail is full and shows pressure when release valve is pressed. I suspected problem was with ECU so had the unit reprogrammed in the States with the SKIM deleted in case it was an...