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S-Type / S type R Supercharged V8 ( X200 ) 1999 - 2008 2001 - 2009
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Old Jul 30, 2019 | 01:00 PM
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Gert Hejdenberg's Avatar
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From: Sangis
Default Needs help.
My S-type R 2003 raises and lowers the engine speed during the heating phase of the engine.HELP!
 
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Old Jul 30, 2019 | 01:11 PM
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Have a look at the fuel trims - lots of threads about what/how/etc.

(Fair chance it's an air leak.)

Do not clear the codes! You'll lose data and may find the OBD monitors stay unset.
 
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Old Jul 30, 2019 | 01:26 PM
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Originally Posted by JagV8
Have a look at the fuel trims - lots of threads about what/how/etc.

(Fair chance it's an air leak.)

Do not clear the codes! You'll lose data and may find the OBD monitors stay unset.
Thanks for your help. I will check that
 
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Old Jul 30, 2019 | 01:36 PM
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Also check TSB S307-14
 
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