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  1. imOCD4a_prius
    Post

    What would cause a racing engine sound from a stop ??

    ***__fox5, FYI: I've used 87 octane only since I adapted my '07 on July 24th. Only 3 fillups since. My ONLY intention in using hi-test was my...
    Post by: imOCD4a_prius, Sep 6, 2012 in forum: Gen 2 Prius Main Forum
  2. edthefox5
    Post

    What would cause a racing engine sound from a stop ??

    ...difficult because your posts are very hard to read are you using 93 octane gas? Prius is designed to use regular gas only. 87 octane. And...
    Post by: edthefox5, Sep 6, 2012 in forum: Gen 2 Prius Main Forum
  3. brick
    Post

    Engine clatter (fuel knocking)

    ...of gray soot all over they were in fine shape. I went up a step in octane rating and now things seem to be fine, so there's little question...
    Post by: brick, Jul 24, 2012 in forum: Gen 2 Prius Main Forum
  4. mondo52
    Post

    Engine clatter (fuel knocking)

    I have an 06 with 127K on it. About two months ago I started to hear what sounded like pinging to me also. I have changed to a mid grade fuel and...
    Post by: mondo52, Jul 19, 2012 in forum: Gen 2 Prius Main Forum
  5. skyswordsman
    Post

    Engine clatter (fuel knocking)

    ...as it was loose. I'll see how that goes, and if that doesnt do it, Ill go up an octane, as Ive been driving like a demon out of hell lately haha.
    Post by: skyswordsman, Jul 15, 2012 in forum: Gen 2 Prius Main Forum
  6. cwerdna
    Post

    Engine clatter (fuel knocking)

    ...(in the high 80s or low 90s). Overall, running this blend of higher octane has definitely reduced the amount of spark knock. Kinda makes me...
    Post by: cwerdna, Jul 12, 2012 in forum: Gen 2 Prius Main Forum
  7. cwerdna
    Post

    Engine clatter (fuel knocking)

    I recently filled up (about 6.x gallons took it to full) with 91 octane and I haven't noticed any more pinging after the fuel in the tank had...
    Post by: cwerdna, Jul 7, 2012 in forum: Gen 2 Prius Main Forum
  8. cwerdna
    Post

    Engine clatter (fuel knocking)

    ...My tank's currently full, my maybe I'll try a tank of 89 or 91 octane sometime. I normally buy gas from cheaper places (e.g. Quik Stop or...
    Post by: cwerdna, Jun 10, 2012 in forum: Gen 2 Prius Main Forum
  9. mitcheli
    Post

    Prius Conversion to E85 Ethanol?

    ... Interesting too that Illinois has a $0.25 per gallon fuel tax on their gas... and 255 miles of corn along I-55 from STL to Chicago... Just sayin'
    Post by: mitcheli, May 10, 2012 in forum: Gen 2 Prius Main Forum
  10. dianeinreno
    Post

    About To Buy 2007 w/39000 - What To Check?

    ...77 mph which I feel is actually pretty great! Tried putting higher octane into it for a tank and no change in consumption - which I later...
    Post by: dianeinreno, Apr 7, 2012 in forum: Gen 2 Prius Main Forum
  11. cnschult
    Post

    switching from 10w30 to 5w30?

    Yes we're not racing so we only need 87 octane, but don't tell us there's no difference b/t gas stations. TopTierGas.com will tell you which gas...
    Post by: cnschult, Feb 19, 2012 in forum: Gen 2 Prius Main Forum
  12. seilerts
    Post

    299,999+ Mile Club

    ...a hot topic. Other ideas to address your 40 mpg: try 91 octane. Excessive carbon buildup on top of the heads causes increased compression...
    Post by: seilerts, Nov 10, 2011 in forum: Gen 2 Prius Main Forum
  13. lwhanna4x4
    Post

    comparing Prius to scooters and motorcycles

    I consistently get 60 mpg and better on my 10 Prius. I get 50 mpg on my 10 Ultra on 87 octane going across the US and Canada. Much more fun on the HD.
    Post by: lwhanna4x4, Oct 14, 2011 in forum: Gen 2 Prius Main Forum
  14. 2k1Toaster
    Post

    Mountain Climbing slowed to a grinding hault.

    Regular Unleaded Fuel in the Rockies is 85 octane. Premium is 91. The "protective mode" is not a mode, it is just part of the normal algorithm....
    Post by: 2k1Toaster, Sep 25, 2011 in forum: Gen 2 Prius Main Forum
  15. ETC(SS)
    Post

    nitrogen-filled tires

    ...Vehicles are expensive enough to put on the road without some low octane type sucking even more money out of people's back pockets with...
    Post by: ETC(SS), Sep 18, 2011 in forum: Gen 2 Prius Main Forum
  16. fuzzy1
    Post

    Physical Key - Battery Disconnect

    ...are not saying that the check engine light was caused by using 87 octane fuel at high altitude. That won't happen anywhere in this state, or...
    Post by: fuzzy1, Aug 22, 2011 in forum: Gen 2 Prius Main Forum
  17. prairiecomm
    Post

    Mountain Climbing slowed to a grinding hault.

    Are you using 85 octane in high altitudes?
    Post by: prairiecomm, Aug 22, 2011 in forum: Gen 2 Prius Main Forum
  18. prairiecomm
    Post

    Physical Key - Battery Disconnect

    ...the check engine light (went on driving at high altitude w/ 87 octane). Locked the car, came back the requisite 20 minutes and can't open the...
    Post by: prairiecomm, Aug 22, 2011 in forum: Gen 2 Prius Main Forum
  19. JamesBurke
    Post

    Non Ethanol Gasoline

    ...Index Volatility Specifications Antiknock Performance Octane Number Requirement Power Fuel Economy Factors Affecting Fuel Economy Fuel...
    Post by: JamesBurke, Jul 3, 2011 in forum: Gen 2 Prius Main Forum
  20. 2 fas 4 u
    Post

    299,999+ Mile Club

    I'll give u a story yesterday for some reason i put sunoco 87 in same route and of course the wind in Florida has been crazy. I averaged about...
    Post by: 2 fas 4 u, Jun 9, 2011 in forum: Gen 2 Prius Main Forum
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