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#4688466 - 03/08/18 08:53 AM Need an oil recomendation 2.3 Mazda
Chester11 Offline


Registered: 04/13/17
Posts: 130
Loc: PA
Hi folks:

I have an 09 2.3 Mazda that sits a lot. (Under 7K year mostly around town). It takes 5w 20 (mostly bulk oil from my local shop), and has about 90k miles. It does not burn oil. Quaker State green bottle is in there now. The internal is usually a year rather than miles.

Synthetic is so cheap, I'm going to upgrade to that. I have some Napa synthetic from the last sale that I'm going to run next. Pennzoil platinum is cheap with the rebate - but seems like overkill.

I had the value cover off and everything looks really clean.

Anyone care to weigh in with a rec?

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#4688483 - 03/08/18 09:07 AM Re: Need an oil recomendation 2.3 Mazda [Re: Chester11]
Danno Online   content


Registered: 10/07/12
Posts: 1991
Loc: Northern Ontario, Canada
Any synthetic meeting Dexos1 Gen2 ratings will be fine.
NAPA, Pennzoil, whatever is cheapest ....

If it were my car, I would consider running a 5W-30
_________________________
2016 Sorento SX V6 AWD
2015 KIA RIO SX
2010 Mazda 3 2.0L
2009 Venza V6 AWD
2013 Sonata 2.4L RIP in write-off crash

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#4688487 - 03/08/18 09:10 AM Re: Need an oil recomendation 2.3 Mazda [Re: Chester11]
Charlie2015 Offline


Registered: 04/24/15
Posts: 241
Loc: Georgia
Use API certified oil and change it on time. Your engine will out live the car.
_________________________
1998 Honda Accord EX 2.3L Auto
2009 Scion TC Manual

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#4688505 - 03/08/18 09:17 AM Re: Need an oil recomendation 2.3 Mazda [Re: Chester11]
Number_35 Offline


Registered: 07/07/14
Posts: 818
Loc: Winnipeg MB CA
We have an '09 Mazda 5 with the same Duratec 2.3. We've had the vehicle since 4 years old/52K km, and it's always used oil - up to a litre every 4000 km (approximately a quart in 2500 miles).

I started out using 5W-20 (the factory specification) while the vehicle still had powertrain warranty, and had it changed twice @ the dealer. They used QS once, and Mazda-branded (PetroCan?) the 2nd time, both full synthetics.

After the warranty expired I moved to Mobil 1 0W-30, which didn't seem to slow consumption much, and then Mobil 1 0W-40. The 0W-40 seems to have worked, with consumption much lower now. I should change the PCV valve (which involves pulling the intake manifold); I realize that using a thicker oil is just treating the symptom.

Because your engine doesn't use oil, you'd likely be fine with a synthetic 5W-20, 0W-30, or 5W-30. (Per the owner's manual, 5W-30 is acceptable, I think for Mexico.) A 0W-20 might be good too, but the parts man at my dealership said that Mazda had not back-spec'd that engine to 0W-20 and advised against it.

Anyway, that's my experience. Basically it comes down to what brand you're comfortable with. Mobil 1 comes on sale regularly here, and is always available, so I settled on it.

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#4688510 - 03/08/18 09:19 AM Re: Need an oil recomendation 2.3 Mazda [Re: Chester11]
miden851 Offline


Registered: 02/15/16
Posts: 433
Loc: GA
@Chester; 09 Mazda6 with 2.3 does not exist, and you should know better! LoL

I'm running dino on mine I am perfectly fine with it because I'm change it often and the car is on the move constantly.

If I'd switch, I'd use Valvoline 5W-20HM
_________________________
2008 Mazda6i GT; @195K miles
2016 Honda CR-V EX-L; @29K miles

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#4688513 - 03/08/18 09:25 AM Re: Need an oil recomendation 2.3 Mazda [Re: Chester11]
pbm Offline


Registered: 04/19/04
Posts: 7608
Loc: New York
I agree with running synthetic in order to avoid having to change the PCV valve often...(in other words dino would protect fine but synthetic will probably keep things a bit cleaner at a 7K OCI)....since the PCV valve is a PITA to change (same as the Duratec in my 2014 Focus) I'm using synthetic....
PS: I don't think a dexos G2 is needed since it's not a turbo....I plan on using all the dexos non-G2 5w20 that I got on CLEARANCE...
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'Journalism is Dead'

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#4688534 - 03/08/18 09:50 AM Re: Need an oil recomendation 2.3 Mazda [Re: Chester11]
Chester11 Offline


Registered: 04/13/17
Posts: 130
Loc: PA
sorry for the typos - 07 2.3.

coffee finally kicked in....

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#4688641 - 03/08/18 11:35 AM Re: Need an oil recomendation 2.3 Mazda [Re: Chester11]
miden851 Offline


Registered: 02/15/16
Posts: 433
Loc: GA
Originally Posted By: Chester11
sorry for the typos - 07 2.3.

coffee finally kicked in....

just kidding!

those Duratechs 2.0L, 2.3L and 2.5L are some of the best engines in the industry; I think like someone has said before, anything you chose you cannot go wrong with; mine does not burn nor leak oil after all these miles
_________________________
2008 Mazda6i GT; @195K miles
2016 Honda CR-V EX-L; @29K miles

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#4688688 - 03/08/18 12:20 PM Re: Need an oil recomendation 2.3 Mazda [Re: Chester11]
Snagglefoot Offline


Registered: 12/31/17
Posts: 1762
Loc: Alberta
Cheapest Dexos approved 5W-20 oil you can find. If it ever starts to use oil, go to 5W-30. When the seals start leaking go to HM 5W-30 Let us know in 10 years how it went.


Edited by Snagglefoot (03/08/18 12:21 PM)

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#4688695 - 03/08/18 12:31 PM Re: Need an oil recomendation 2.3 Mazda [Re: Chester11]
BrocLuno Online   content


Registered: 09/06/15
Posts: 5525
Loc: Kalifornia Kollective
I'd just switch to Maxlife semi-syn in whatever grade you want. Oil is good enough smile
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Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.

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#4688703 - 03/08/18 12:39 PM Re: Need an oil recomendation 2.3 Mazda [Re: Chester11]
HemiHawk Offline


Registered: 03/09/16
Posts: 842
Loc: PA,US
I had a 2004 focus ZTS with the 2.3. I assume pretty similar if not the same engine. It always had Mobil 1 since new, and was sold at 150k miles. 3rd gear was giving out smirk

I ran that thing pretty hard, and the motor never had a problem. That engine was a trooper for the abuse it got.
_________________________
2016 Nissan Frontier Pro4x
2017 VW GTI sport
1997 Jeep GC 4.0

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#4688784 - 03/08/18 02:26 PM Re: Need an oil recomendation 2.3 Mazda [Re: Chester11]
Chester11 Offline


Registered: 04/13/17
Posts: 130
Loc: PA
yes I pretty much lucked into this car - only engine complaint is that it vibrates slightly at stop lights when the engine fan is on. it has not had it easy (rental car, driven around Baltimore / DC beltway, street parking).

thanks for the recommendations folks. I have a feeling the motor will outlast the frame and trans.

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#4688855 - 03/08/18 03:38 PM Re: Need an oil recomendation 2.3 Mazda [Re: Chester11]
CT8 Offline


Registered: 10/09/14
Posts: 11008
Loc: Idaho
Any oil with the proper ratings from the major oil companies will work.
_________________________
"Don't let your preconceived notions get in the way of facts."
Geoff Metcalf

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#4688868 - 03/08/18 03:55 PM Re: Need an oil recomendation 2.3 Mazda [Re: miden851]
tig1 Offline


Registered: 01/03/09
Posts: 13661
Loc: Illinois
Originally Posted By: miden851
Originally Posted By: Chester11
sorry for the typos - 07 2.3.

coffee finally kicked in....

just kidding!

those Duratechs 2.0L, 2.3L and 2.5L are some of the best engines in the industry; I think like someone has said before, anything you chose you cannot go wrong with; mine does not burn nor leak oil after all these miles


They really are. I owned a 2007 Focus with 175K(totaled last June), My present 2007 Fusion 2.3, and my 2017 Fusion 2.5 Duratech engines. All have performed great with very few problems. Oil used was M1 0-20 of course with my normal 10K OCI.
_________________________
2007 Ford Fusion 227,000 miles
M1 0-20 EP
2017 Ford Fusion 49K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and MC LV
M1 10-30 in all OPE
MC filters


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#4688872 - 03/08/18 04:04 PM Re: Need an oil recomendation 2.3 Mazda [Re: tig1]
bbhero Offline


Registered: 03/20/15
Posts: 4627
Loc: Virginia
Right on Tig1.

Those Ford duratec motors are very, very good. And the Mobil 1 0w20 will be a great oil for that car.
_________________________
Nissan Altima 3.5 Coupe Valvoline Advanced Full Synthetic 5w30 Federated Auto 4612ex
"Treat your family like your friends and treat your friends like your family."

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