2004 Ford Taurus 3.0L V6 DOHC

Asked by Jan 15, 2016 at 09:32 AM about the 2004 Ford Taurus

Question type: Maintenance & Repair

About one month ago, had codes P0304 and
P0316. Spark plugs were replaced. Two weeks
later, engine light on with codes P0420, P0303,
P0316. What do you suggest?

1 Answer

64,445

This could be a bad coil,or fuel injectors.

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