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Too high, agreed. You do have a CEL on. What are the codes?Normal might be 2k rpm or less. Mine surges up for the same period of time too high for normal.
Cheriezing PCV Valve Cover Membrane Kit for Land Rover LR4 Range Rover & Sport Jaguar XF XJ XK 3.0L 5.0L LR041443 https://www.amazon.com/dp/B07VSBBF27/ref=cm_sw_r_cp_api_i_jN4RDb24N7A4ZCan you post a link to the one you got that worked?
Looks like there are two or three manufacturers.
Codes were Too lean, misfire, and vacuum leak
Solution happened today. new PCV valve! That was it.
$30 on amazon overnighted and problem solved.
I think there are some mechanics who do it preventatively as early as 30k. Some engines are easier than others. Took us maybe 15 mins total.I’ve been tempted to do mine preventatively and now I’m convinced. This is the second truck I’ve heard of recently that had one of the pcv valves fail around that mileage.