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Discussion Starter · #1 ·
I work for LKQ and we sold a 2005 k1200LT motor to a customer who put it in his 2000 using the 2000 ECU. From what I understand (I could be very wrong), the cams and ECU from the 2005 are different.

less then 1000 miles later customer says engine has a burnt valve on cylinder 2. Could him putting a 2005 motor in a 2000 cause this?

Our engine expert guy seems to think that with the different ecu parameters it could effect engine output which would cause enough heat for the burnt valve. The customers shop says that it would go into limp mode and go rich not being able to cause burnt valve.

Any suggestion? I want a non bias opinion. Much appreciated.
 
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