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Service Engine soon-light on a stock evo

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Old Aug 7, 2009 | 02:02 AM
  #1  
Psychedelic's Avatar
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From: Finland
Service Engine soon-light on a stock evo

So I popped a Service Engine Soon-light today.

Turned the evo on cold and immediatelly revved to 3000-4000rpm, the pressed the clutch, gear number 1 in already before the revs came down and took off slowly. That's when the light came down. (Yes, I was an idiot.)

The car is 100% stock with the NOT UPDATED US Software.

Now the way I thought about it was that many other X:s have also popped the light when revved on neutral. I'm thinking this would be the case here too - after all, the car seems to run just as fine as before even with the light on.

Should the light go off if it's just the normal quirks of the stock software?
The problem is that I'm in the middle of a small country on my way back to my home country with all my stuff in the evo (packed to the full)... No-one here is able to help to check out the code and I still have 700km to drive through 2 countries.
Do you guys think I should be worried about this?
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Old Aug 7, 2009 | 03:04 AM
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SiC
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From: Kanagawa, Japan
I'm sure you'll be fine, keep on going
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Old Aug 7, 2009 | 08:14 AM
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From: Rochester, NY
Likely all is fine, if you have a 10mm socket or wrench you can remove the negative side of the battery and reset the ECU. You will lose the current code stored but then can drive normally and likely the car won't flag a check engine light again unless it's more serious. I try and avoid driving around with a SES light since you won't know about any new problems that may be more serious because the light is already on.

When you get back home you can try to duplicate the error again and check it with a scan tool if you really want to. If you can't get it to trigger again then it was likely just a fluke.
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Old Aug 12, 2009 | 02:49 PM
  #4  
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Ok, it seems SES-light actually went away after driving about 900km. Just one morning the second time I turned it on it was gone... Should get it checked though when I'm taking it tuned.
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Old Aug 12, 2009 | 07:04 PM
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From: Fontana/Rancho Cucamonga
yeahh, ive had the same problem. the light comes on then off then on. its weird
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Old Feb 27, 2012 | 03:17 AM
  #6  
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From: Orange park, Fl
I'm having a similar problem.My ses light came on after changing my oil and filter. Have not had a chance to check it yet.
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Old Mar 1, 2012 | 09:25 AM
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From: C_l_f_r_i_
In your manual it SPECIFICALLY says not do do what you did.
There is a section which says do not rev the motor
There is also a section that says the car should not be driven until the temperature gauge reads at least one bar on it.

Doing what you did is asking for problems, if you cold run your car baby it, or your going to shorten your motors life.
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