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CL-Class (W215) 2000-2006: CL 500, CL 600

Cl600 ESP Rough Running

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Old Sep 28, 2017 | 06:35 AM
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stuartph
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Cl600 TT
Cl600 ESP Rough Running




Guys

I have an ESP fault on my 2003 cl600

idle is 1100rpm and misfires if you touch throttle pedal

NO misfire codes are stored only the following as shown above
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Old Sep 29, 2017 | 01:11 AM
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ItalianJoe1
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2003 CL 600
Sounds like a bad throttle body. Remove it and make sure nothing is stuck in there, if not, replace it.
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Old Sep 29, 2017 | 10:27 AM
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stuartph
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Thanks for that

Checked it nothing stuck in it and have ordered one now

I will report back once its fitted
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Old Oct 7, 2017 | 10:49 AM
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Throttle body replaced still same fault present

throttle code returns as soon soon as it’s cleared from memory
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Old Oct 7, 2017 | 05:02 PM
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2003 CL 600
Then your fault is somewhere in the wiring between it and the engine computer, or the engine computer itself.
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Old Oct 7, 2017 | 06:46 PM
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I shall look at the wiring ECU to throttle body and see if I can find anything
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Old Oct 9, 2017 | 09:27 AM
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Found plenty of corrosion in ECU plugs will start new thread on that
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Old Oct 9, 2017 | 02:12 PM
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ItalianJoe1
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Originally Posted by stuartph
Found plenty of corrosion in ECU plugs will start new thread on that
No reason for a new thread, but start by cleaning it and see if it helps. Figure out why it's happening, there must be water getting into it. Might have to replace the M/E. Open the connector and ensure there's not corrosion down the wires, if there is they will have to be cut off and replaced unless you want to replace the entire engine harness.
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Old Feb 8, 2018 | 11:49 AM
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Just updating

Had star put on the car , came back with throttle body fault and would not adapted and same with replacement throttle body
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Old Jul 23, 2021 | 10:50 AM
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Rubencl600
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Ever get fixed?
I’m having similar issues with mine. Just wondering if you had it resolved?
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Old Nov 17, 2021 | 04:27 PM
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W215
I have similar issue with esp. How did u get that fixed
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