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2022 CX5 1st svcs

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  #11  
Old 04-13-2022, 03:33 PM
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Originally Posted by diehard888
I agree / just want it to run smoothly -But that is some interesting/ helpful fuel data - I am definilty suspect of the " Top Tier " sticker I see at places that are "discount" fuel - - The only reason I thought it was ....is that sticker -

/ - On my new CX5 Na 22 - drove almost a full tank in one day / city -fwy mix and tanked up at a chevron and -.( possibly redundant here ) It was a different car - this yesterday - I may just keep going chevron - and after a few tanks switch to Costco depending on circumstances -Its by no means scientific - but the experience yesterday was an eye opener - Either previous fuel was poor - or new fuel was as it should be - Thanks for the fuel tutelage - I suspected Costco was a fuel " scavenger " buying protocols similar the store products/ one week its there , next gone / - but that dosent mean its bad - however consistency in my opinion is good - when trying to isolate an issue like this , which frankly most people would ignore -windows up, music up , cell phone ringing ....hey it starts and runs and no dash lights ...keep going - but i suppose if you are in a forum like this , your vehicle is a bit more than just A to B transportation - Tanks again
I have done no less then almost now 2 dozen Dyno runs on my MAZDA 3 2.5 N/A. Flat out shows when for sheeets and giggles using 2 gallons of 85 Chevron the power graph dipped down. In fact we were surprised how much. So curious about those results that with the remaining 85 in the tank at least 1.75 gallons, I drove around the block filled up with 91 same Chevron station I got the 85 came back set up the DELTA carefully to duplicate the conditions of the earlier Dyno run did another Dyno pull. The numbers went right back up again. Anyone can duplicate this simple test at your local shop that has a Chassis DYNO.
When we pulled the data logging it was very clear that the ECU protected the engine and compensated for the lower octane in at least 6 engine operation area's that I recall.
 
  #12  
Old 04-14-2022, 06:53 AM
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Originally Posted by diehard888
familiar with the car- Great choice/ value , hope Nissan didnt hammer you to hard on the mark-up - Been looking at the Dodge Ghoul ,but only making 100 , missed the order cut - but hellcat red eyes are in production for 22 with under 100k sticker w/ mark up
- the GTR has a low compression engine 9:1 and will run fine on low octane gas / my M3 has 9:1 as well and it does well on costco premium / and the CX5 has an engine that immediatly reacts to the fuel octane /quality -1:13:1 exremely high compression for gas and in europe its :
1:14 ! - which leads me to believe its possibly closer the that here as well - that has been my experience -
It could have been a " bad batch " of gas off the bottom of the tank - or who knows - but ive been grappling with this issue since the vehicle was new - theres other factors - im over 6000 ft up elevation - so if the maf was obstructed when new - i would get a check engine light .- Im running this tank of Chevron , then Im going to try Shell - then go for 1/2 tank of Costco again and see what happens - It sucks because at Costco i can get a gallon of Premium for $4.89 - 4% using Costco citi card making one gallon knocking off about 20 cents / making one gallon premium roughly $4.70 - - I go to premium gas stations /. Shell / Cheveron / Texaco ( is chevron ) / Union 76 etc ...and Im at or over $5 / gallon where I live - so on an annual basis - a big hit - hoping it was a bad batch etc and can keep using costco - no Krogers here - but there is a Frys - which also claims " top tier " never tried it
Not a Nissan GTR- a CX-5 GTR (Grand Touring Reserve) - LOL
 
  #13  
Old 04-14-2022, 07:14 AM
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Ahh - got it - I honesty dont get the big change with the fuel change - Today was day 2 with Chevron 91 : and I fired it up cold - drove it all day - smooth as silk - not pushing Chevron either - I seriously dont like the company for longer standing reasons going back to WW2 - but I will not elaborate -
anyway , Im at 6000ft elevation , and that combined with any sub-par fuel, must be it - or Chevron has an additive that facilitates the combustion , The shifting is better , low speed transitions - smooth - so ? who knows - Is your 21 GTR thoroughly broken in ? over 10k miles ?? Also my state may have been getting higher ethanol mixes - or something
 
  #14  
Old 04-14-2022, 09:42 AM
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Location: North of Atlanta '21 GTR
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Originally Posted by diehard888
Ahh - got it - I honesty dont get the big change with the fuel change - Today was day 2 with Chevron 91 : and I fired it up cold - drove it all day - smooth as silk - not pushing Chevron either - I seriously dont like the company for longer standing reasons going back to WW2 - but I will not elaborate -
anyway , Im at 6000ft elevation , and that combined with any sub-par fuel, must be it - or Chevron has an additive that facilitates the combustion , The shifting is better , low speed transitions - smooth - so ? who knows - Is your 21 GTR thoroughly broken in ? over 10k miles ?? Also my state may have been getting higher ethanol mixes - or something
I am at 7500 miles. I do think the transmission on my 21 isn't as smooth as my 19 was, but that is likely just car to car variables...
 
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