97 MERCEDES ENGINE STALLING AT IDLE

1997 Mercedes Benz S420

Tiny

svcampbell

June, 20, 2011 AT 9:44 PM

Hey,
I have a 1997 Mercedes S420 that is having a problem when idling or basically at low RPM's. When the engine sits at low rpms and even occasionally just after coming to a stop, the engine simply shuts off. All electronics remain on however power steering is off as well (engine driven I presume). The car will start back up immediately by removing the key and starting normally. Any help would be great!

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2 Answers

Tiny

rasmataz

June, 20, 2011 AT 10:01 PM

Bring it in and have the Electronic Accelerator (EA)/ Cruise Control (CC)/ Idle Speed Control (ISC) Actuator (S420) On top center of engine checked and tested-

Tiny

svcampbell

June, 21, 2011 AT 12:34 AM

I just went to an auto shop and had them use a diagnostic device. Results showed a problem with the oxygen sensor, mass air flow sensor, and the secondary air injector system. Does this change what should get checked?

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