Tomct
Member
What is the recommended service at 50K miles
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It's all in your owners manual.What is the recommended service at 50K miles
What? It's not in the manual? Dumb question, dumb answer.Well he was alot of help, lol.
Anyway alot of experienced guys on here, say to change the plugs. Something about the TT engine fouls them out fast.
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100k seems like a long time, don't forget they start wearing out from day one like tires.I service on an as needed basis. If it's not broke, I don't fix it.
Ford recommends plugs at 100k in the manual, so that is when I'll change them.
Waiting for a misfire will keep it running smoothly but it doesn't address the MPG's slowly getting worse.Spark plugs have been at 100K ever since the advent of computer controls, even more improved with the use of wide band O2 sensors. They can really tweak the AF ratio such there is very, very little fouling. The turbo does not impact this since very infrequently do you drive in open loop. I tell people wait until a misfire - then research your vehicle and replace not only plugs, but coils if those cars are prone to them and challenging to get to. Our older Kia Sorento had coils going bad first (slightly over 100K as I recall). My daughter's 2009 Sonata still runs like a charm at 132K miles, original plugs and coils. Our 2005 Ford Five Hundred started misfiring I think at 115K miles - it was a coil on the rear bank so since I had to pull a bunch of stuff off we changed the rear bank coils and all the plugs.