emmisson light is on what are the cost for all for?and should they alll be changed at the same time ?there are 4 is that correcte
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2007 Ford Five Hundred Question: emmisson light
Answer #1Brian Glastetter February 02, 2011, 20:21Master
Your emission light being illuminated does not necessarily indicate a oxygen sensor issue. It will be wise to perform a diagnosis since guessing is not cheap. Many emmission components have coverage beyond the normal warranty. Call the local Ford dealership and ask what coverages that might apply to your vehicle.