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I had a very similar thing go on with my LR3- if it’s not the trans fluid first thing I’d check / replace is the MAF (make sure to use the OEM brand as these trucks are very finicky with the maf apparently). and then plugs and then fuel injectors... almost bet money it’s the maf and it won’t always give a clear code for it either just FYI.So dropped it at the dealer to checkout, apparently it's due to misfires (which is also probably preventing my EVAP, EGR, and FUEL readiness). They're having a hard time tracking down the reason as there are no codes thrown. Will give ya an update when I find out but hopefully it should be covered by my dealer's 6-month limited warranty.
So, when I am driving up an incline, and either in D or S, my truck bucks/struggles a little thru low RPMs. Is this a problem?
So the truck passed inspection today! Ended up being a bad O2 sensor on Bank 1, wouldn't let the other monitors complete and also resolved by "bucking" issue. Shouts to my new Indy Andy over at ASC Auto in Highlands, NJ. A real stand-up guy who knows his stuff.