Falla q no quiere prender
SOURCE: tengo una expedition 2005 con codigo de falla poo12 and poo21
Change the Spark Plugs
Change front O2 Sensors, if they have 100,000 miles on them
Spray the Throttle Body with CRC throttle body cleaner
I suspect you have one or more COP Ignition Coils that have failed also. No MIL Lamp or Check Lights on dash?
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