R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

R50/53 SeaFoam & SES Light?

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Old Jul 22, 2014 | 04:03 PM
  #1  
FatherG's Avatar
FatherG
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3rd Gear
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From: Turlock, CA
SeaFoam & SES Light?

I SeaFoam'd my '02 R50 (90k miles) yesterday. Besides the requisite amount of smoke, the SES light also came on.

How can I reset the light? What might be the cause?

Thanks
 
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Old Jul 23, 2014 | 09:57 AM
  #2  
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nkfry
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From: Clawson, MI
You probably logged a misfire code, which can be read with a generic code reader.

That said; you don't need to Seafoam the Gen 1 engines, as the fuel is injected pre-valves, so it is cleaning them while the car is running.

In cars that aren't direct injection, Seafoam is a snake oil treatment when used in this respect. It can be used in the oil 300-500 miles previous to changing, and will aide in cleaning deposits.

Nick
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Last edited by nkfry; Jul 23, 2014 at 02:54 PM.
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Old Jul 23, 2014 | 11:38 AM
  #3  
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FatherG
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From: Turlock, CA
the light went out last nite and has not come on since. Good to know that I don't have to SF the car anymore. Thanks!
 
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Old Jul 23, 2014 | 01:39 PM
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nkfry
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From: Clawson, MI
Originally Posted by FatherG
the light went out last nite and has not come on since. Good to know that I don't have to SF the car anymore. Thanks!
There will be a stored code in the ECU, if you find someone with a code reader you can find out what it was.

The CEL goes away after 3 key cycles without the fault recurring.

Nick
Detroit Tuned
 

Last edited by nkfry; Jul 23, 2014 at 02:55 PM.
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