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- Plano, Texas, USA
Just want to say there’re quite a few people checked the ATF level at 122°F ATF temperature from OBDII reader and found the ATF level was under-filled from factory. Some people are confused with the “marker” on the ATF dipstick and there’s no High and Low lines, only the square “central marker”. Anything measured below the square “central marker” means the ATF level is low. Here’s Kedis82ZE8’s post using OBDLink MX+ and his factory ATF level was low too:⋯ IMO if owners are checking ATF level when the blue light goes off, or the OBD coolant temp is at 122F, then they are overfilling the fluid if they fill to the upper mark. And, as I've posted previously, I believe that Mazda (or any other automaker) does not send vehicles from the factory with any fluid impactfully underfilled (or overfilled), except for very, very rare mistakes.
Transmission fluid change without filter replacement