Thank you everyone for your help! Upon inspection and diagnostics, my mechanic could not find anything obviously at fault, so we started with new plugs since that was the least expensive thing to try. It seems that one or more of the old ones must have had an issue, because I just returned...
Interesting - it never occurred to me to hammer down to force it to throw a code! I'll give that a try if the problem persists after getting the truck back from the shop. Thanks for the idea!
I've been wondering about the plugs too. For the cost, I might just have him change them out to see if that helps. What are your reasons for getting rid of the K&N setup? I've always thought that less restriction was better, but I'm willing to listen to other ideas. I actually saved the OEM...
I have a 2015 Expedition, 140,000 miles. Recently the engine has started cutting out occasionally driving up hill while loaded or while pulling a trailer. I don't know if cutting out is even the right word for it. It's like it is running out of gas momentarily but the engine never completely...
Doesn't anyone have any ideas here? Bringing the Expy in on Monday. Would really appreciate some ideas that I could pass on to the techs so they might track this down. Anybody?
2015 Expedition EL, Limited, 4x4, 102,000 miles - I have been noticing a burning smell intermittently. I notice it most often after I have driven on uneven surface, for example driving up or down a steep driveway but with one corner of the truck hitting the hill first (one of the front wheels...
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