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2004 Ford Freestar / engine lght is on and running rough?

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2004 Ford Freestar / engine lght is on and running rough?
Submitted: 8 years ago.Category: Ford
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Answered in 5 minutes by:
6/13/2010
Ford Mechanic: Ron Z., - Ford Tech - replied 8 years ago
Ron Z.
Ron Z., - Ford Tech -
Category: Ford
Satisfied Customers: 20,054
Experience: 18+yrs experience. State Inspector & Ford Diagnostics/Repair
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Did you have any codes read yet? Is the engine light blinking or solid?

 

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Customer reply replied 8 years ago
The light is solid, just had the oil changed on Friday. They used high mileage oil at Jiffy lube
Ford Mechanic: Ron Z., - Ford Tech - replied 8 years ago

 

I don't think the oil change had anything to do with this. Just an unhappy coincidence. From what you dscribe, it sounds like you may have a cylinder misfire or a fuel delivery issue. Unfortunately, there are several parts/sensors that can cause this issue. The first thing you need to do is have the "p-codes" read from the vehicle's on-board computer. With these p-codes you can more accurately and efficiently determine the actual source of the problem and then diagnose it. You can have these p-codes read, for Free, at any local AutoZone loactions. Bring those p-codes here to us and we can help you diagnose the problem and walk you through a repair procedure.

 

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