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Ironmike, Ford Technician
Category: Ford
Satisfied Customers: 3385
Experience:  30 years ASE Master tech L1 . Ford master
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ford econoline: van..service engine soon light has come on

Resolved Question:

i have ford econoline van and the service engine soon light has come on. First blinking, then solid. what does this mean?
Submitted: 5 years ago.
Category: Ford
Expert:  Ironmike replied 5 years ago.


The check engine light is a warning that there is a failure in the power train control system. When it flashes it is warning there is hard fault, type a misfire that will damage the catalytic converter. We need to check for trouble codes, most parts places will scan for free. If you have the 4.6,5.4 or 6.8L engines the most common failure would be a coil. These ignition systems use individual coils over each spark plug. Best to check with a scanner like the dealer that can show power balance results. If you know the code you can swap coils with another cylinder and see if the code changes. Sometimes the plugs get fouled and need to be replaced too.

let me know what you find

Customer: replied 5 years ago.
can i drive the car another 80 miles before doing this?
Expert:  Ironmike replied 5 years ago.

The only way I would drive would be if I knew what cylinder was the misfire and disconnect the injector. If the coil works sometimes and the injector still sprays it could cause the catalytic converter to fail.

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