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2017~2020 Strange Oil Change problem - can't read the dipstick properly, low oil level warning

yrwei52

2016 Mazda CX-5 GT AWD w/Tech Pkg. Plano, TX
Contributor
:
Plano, Texas, USA
It is hard to say why the owner manual recommends 4.4 qts for oil change but the service manual requires around 5.3 qts for a dry engine. As you found out 5+ qts is full.
Dry fill is a totally different story. And actually Mazda Workshop Manual stated the same as our Owner's Manual: 4.8 qts. for 2.5L with oil and oil filter changes.
 

yrwei52

2016 Mazda CX-5 GT AWD w/Tech Pkg. Plano, TX
Contributor
:
Plano, Texas, USA
Here's the light that I saw - I was confused since it was not the low oil pressure light which is RED.

View attachment 221568 The Low Oil Level warning light came on only briefly. Now that I added the remaining oil in the 5 Qt jug, the oil reading is fine - a uniform, thick film right between the Full and Add marks.
Your oil level had been in the boarder line and the sensor still could detect the oil most of time when the oil in the oil pan is sloshing around.

Here's the difference between low oil pressure warning light and low oil level warning light in dash:


different-engine-oil-lights.jpg
 
:
2019 CX-5 GTR
reviving this thread after reading the related thread here.

2019 GTR with ~ 22,000 miles on the odometer. Oil changed ~3000 miles ago by the local dealership using OEM correct filter PY8W-14-302 (and hopefully the correct amount of oil).

Low oil level light warning came on while cruising about 60MPH,




pulled over, shut car off, waited about 5 mins, checked level -- all seemed ok. Light went off

Drove to destination - all seemed ok again for oil level. no warning light

Fast forward 6 hours, drove home - checked it at home level at the first dot on the dip stick.
no warning light

This is Arizona so mostly flat, no severe hills so measuring should have not been impacted by level of the ground.

Went and got a quart of oil of 5W-30 .
after referencing
https://www.mazdausa.com/siteassets/pdf/owners-optimized/2019/cx-5/2019_cx5_om.pdf

added about 3/4 quart of the following:
https://www.oreillyauto.com/detail/...ic-motor-oil-5w-30-1-quart/syntec530/2620070/

Drove the car around the neighborhood, came back rested vehicle for 5 mins and remeasured the oil level - right at the second dip stick dot.

With the beauty cover on the bottom of the vehicle is is difficult to check for drips / leaks - but a top view with a light doesn't reveal any splatter and no noticeable oil burning smell from the engine bay after usage.

Current theory:

1) wonderful dealership under-filled the oil at last oil change.
 
Last edited:
:
2018 CX-5 Sport
You might want to check that oil is not leaking from the oil plug on the pan. There have been instances in which the dealer forgot to tighten it, or the crush washer 'broke'.
 

erhayes

Contributor
:
Mazda CX-5 FWD Touring
I put in the full 5 quart jug and the oil level is ~ 1/8 inch down from the max level and I call it good. Any level between Min and max is safe. I check oil any time after a 10 minute shutdown when the vehicle is level. I use OEM or a WIX which does have the proper bypass setting. Ed
 
:
2019 CX-5 GTR
You might want to check that oil is not leaking from the oil plug on the pan. There have been instances in which the dealer forgot to tighten it, or the crush washer 'broke'.
GAXIBM said:
After leaving in one spot overnight, move the car and check the pavement for fresh oil...
CX5_Driver said:
With the beauty cover on the bottom of the vehicle is is difficult to check for drips / leaks
Car stays in one spot every night.. not a single drop on pavement.
 
Thanks for bumping this CX5_Driver. I also had the low oil level light appear today and knew what it meant based on reading this thread a couple hours earlier.

2019 GTR with 51k miles. Oil changed by me 5400 miles ago using Mazda filter PY8W-14-302 and a 5 quart jug of oil. It was about 1/4 inch above the lower hole on the dipstick and no noticeable change when I rechecked today before adding more oil.

I did not try restarting the car to see if the warning would go away without topping off the oil.

Today was one of the warmest days since I changed the oil at the end of March. Now that I am off cycle for using one entire 5 quart jug for each oil change I will set the oil level closer to the upper dipstick hole.
 
:
2019 CX-5 GTR
WIX make a filter specifically for the Skyactiv engine.
if you have the specific part number for the TURBO engine .. please share. For this discussion as indicated a OEM filter is being used.

CX5_Driver said:
Oil changed ~3000 miles ago by the local dealership using OEM correct filter PY8W-14-302 (and hopefully the correct amount of oil).
2 days later and no new warning light ; oil level seems to be holding steady.
 
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