PP 5W20 Mazda 3 2.3L 6000mi

JAG

Messages
5,320
Location
Fredericksburg, VA
I'm surprised the TBN is not higher considering the engine, the OCI, and the good oil. Does it do a lot of short trips? There is considerable amount of fuel in the last 3 samples. That often goes hand-in-hand with reduced oil life. If those 3 samples were taken without engine warmup first, that puts a likely link in the fuel trend.
 

FZ1

Messages
4,727
Location
Texas
What oils were run on the previous Uoas? 10 months is a long time. Think I would dump every 6k.
 

JAG

Messages
5,320
Location
Fredericksburg, VA
 Originally Posted By: Gary Allan
It was in service about 10months in a 4 season climate. That's not too bad. It could have made 1 year, don't you think, JAG?
Yeah, it's not too bad. It had life left in it too. It just has less TBN than I would have predicted. I have high regard for PP's TBN retention so now I predict that the car does many short trips. I could be proven wrong again if the OP tells us.
 
Messages
406
Location
Northern California
 Originally Posted By: FZ1
What oils were run on the previous Uoas? 10 months is a long time. Think I would dump every 6k.
This was 6,000 miles? It took 10 months to get there though. The oil should be just fine.
 

MZR_23

Thread starter
Messages
23
Location
Virginia
 Originally Posted By: FZ1
What oils were run on the previous Uoas? 10 months is a long time. Think I would dump every 6k.
Mobil 1 5w20 for a couple of them. One of them was Mobil 1 5w30. Definite improvement switching to PP! Takes me awhile to rack up miles. 30k sum miles on a 5 year old car. haha!
 Originally Posted By: JAG
 Originally Posted By: Gary Allan
It was in service about 10months in a 4 season climate. That's not too bad. It could have made 1 year, don't you think, JAG?
Yeah, it's not too bad. It had life left in it too. It just has less TBN than I would have predicted. I have high regard for PP's TBN retention so now I predict that the car does many short trips. I could be proven wrong again if the OP tells us.
Yeah, my driving is 90% city 10% hwy. Work is only 15min away and i do move the car closer to the building which would definitely be a short trip. The oil is holding up pretty well which is why they suggested trying 7500 miles.
 
Top