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James
James, Ford Technician
Category: Ford
Satisfied Customers: 3630
Experience:  Ford Senior Master Tech, Ford gas and diesel expert, ASE Certified
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The truck 2001 excursion with 7.3.sat out side years When I

Customer Question

The truck 2001 excursion with 7.3.sat out side for 2 years
When I tried to start it,it fired but wouldn't stay running ,battery was failing,put starter charger on it.
Wouldn't start
I replaced the fuel pump,changed filter on top of the engine,the reset on passenger foot board,needed to be re set.
Now when started after a period of time,she starts but doesn't seem to be running on all 8 ,add fuel runs smooth .although it seems to be lacking power
Any idea
Thanks. James
Submitted: 1 year ago.
Category: Ford
Expert:  James replied 1 year ago.
Hello, have you changed the oil yet on this vehicle?
Customer: replied 1 year ago.
All service done same time
That reminds me
Service engine light is on
Expert:  James replied 1 year ago.
Do you have a way to test for codes?
Customer: replied 1 year ago.
but not resettable
Expert:  James replied 1 year ago.
I don't follow? Can you get the code numbers?
Customer: replied 1 year ago.
Po198
Expert:  James replied 1 year ago.

That code is for oil temperature high. It's probably a faulty oil temp unit. As for running rough my guess is the injector o rings are bad or the valve cover wires are probably loose. I would remove the valve covers replace all injector o rings with updated ones and replace the injector harnesses. This should take care of your concern and should drive like new.