S2000 Talk Discussions related to the S2000, its ownership and enthusiasm for it.

Regular gas, Check engine?

Old Jan 26, 2011 | 11:33 AM
  #11  
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^^they must be really tight on the budget, considering our tanks are small.
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Old Jan 26, 2011 | 01:39 PM
  #12  
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Originally Posted by Not Sure,Jan 26 2011, 10:26 AM
Probably a loose gas cap.

There are a few guys on some other s2k sites who run only regular unleaded because they can't afford premium. The ECU will compensate for the lower octane by retarding the ignition timing, and you will probably notice a decrease in performance, but no CEL.
yup, just dont wind it out til 9K, its gonna start pinging.

Actually lower oc will give you more power and more mpgs at low RPMs since they're more energy dense! as long as the ecu can handle it, that is
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Old Jan 26, 2011 | 01:44 PM
  #13  
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Originally Posted by Not Sure,Jan 26 2011, 02:26 PM
Probably a loose gas cap.

There are a few guys on some other s2k sites who run only regular unleaded because they can't afford premium.
I agree with the loose gas cap. I think it happens to all of us.

If you can't pay an extra few bucks to support the big sticker on the door that reads "premium fuel only" you probably shouldn't have an S. Not knocking on anyone but I make almost nothing since I started going to college. I still fill up with shell 93, usually twice a week because I drive so much.
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Old Jan 26, 2011 | 01:44 PM
  #14  
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yeah, im on a tight budget, but you figure that if you burn 10 gallons a week, the difference in price between premium and regular over a year is not more than 140 bucks max.
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Old Jan 26, 2011 | 01:47 PM
  #15  
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I agree. I would never, unless they ran out of higher oc fuel, which happens sometimes.

The gas + regular oil change = good insurance
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Old Jan 26, 2011 | 02:43 PM
  #16  
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I just drove to school and back and the engine light is still off, so I'm feeling much better.

I'll stay off the redline until I get more of the regular fuel out of the tank (at half and half right now)

Thanks for the replies.
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Old Jan 26, 2011 | 04:44 PM
  #17  
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Originally Posted by bloodzombie,Jan 26 2011, 02:00 PM
This is a total noob question...

I got gas last week on my way to school (was riding on fumes), on my way home, I noticed the check engine light. As I thought about it, I was wondering if I put in regular gas without thinking, but can't be sure.

I called Honda to set up an appointment, lady told me that if it's running fine, I should check the gas cap, then drive more and see if it goes off. Cap seemed tight already when I checked, but I cranked it and gave it a couple days, it didn't go off.

When I got down to half a tank, I filled up with premium and reset the ECU myself (pulled the fuse for 30 secs). Check Engine is off and stayed off for the first drive.

So my question is... can putting regular gas set off the check engine light? Also, can I stop worrying about it now that the light is off (as long as it stays off with more driving)?
If you're on that tight of a budget, sell your S.
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Old Jan 26, 2011 | 09:04 PM
  #18  
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Originally Posted by RedCelica,Jan 26 2011, 05:44 PM
If you're on that tight of a budget, sell your S.
Why do so many people post without reading anything?
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Old Jan 27, 2011 | 04:13 AM
  #19  
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Originally Posted by bloodzombie,Jan 26 2011, 11:05 AM
Honda told me they would charge me $120 just to read the code.
Yikes! Sure you didn't call a BMW dealer by mistake?

Note to self: finally break down and get a code reader.
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Old Jan 27, 2011 | 04:52 AM
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Originally Posted by bloodzombie,Jan 27 2011, 01:04 AM
Why do so many people post without reading anything?
Why do people put 87 octane in an S2000? I should have quoted NotSure...my b.
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