OK I have two expedition the 98 has bad motor the 99 has a good motor and crash body. I pulled the 99 motor an transmission reinstall it in 98 shell .Started it up after the install the engine sound and run ruff misfire and no check engine ligth.Is there any more part has to be swap to make this...
put a 1999 motor in a 1998 and the truck is running very ruff. need some suggestion why. also what is CELs. both moters are 5.4 the 1999 have pi heads and the 1998 dont.
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