Still notice the fluctuation in idle between 500-750 when in drive. Turning off the AC has no impact. Only seems to happen when in D and not when in park. Im currently using premium fuel, could that be the issue? Car has 3,000ish miles now. Only seems to be an issue after warmup and seems to be...
don't recall as i leave the automatic climate control on, but its certainly possible. I thought about that but still surprised to see it actually move the tach.
My wife and I purchased a 2018 CX-9 grand touring around 6 weeks ago (car has ~1800 miles) and at a stop I notice the tach will swing between 500rpm and 750rpm at a stop. I don't feel the idle change in speed but I'm surprised I can see it change on the tach (most cars instrument clusters aren't...
I'm going to just change it every 30K like I do my RX8. My wife doesn't drive it hard but I like knowing that its in good shape and Houston heat is good at killing automatic transmissions.
Can you even change it? I don't see it mentioned in the owners manual. I don't see it mentioned on the maintenance chart either. I'm not use to owning automatic vehicles and I assumed you'd change it every 60k or so.