ROUGH START

1997 Mercedes Benz S420

Tiny

northernpikes

July, 29, 2011 AT 7:13 PM

1997 mercedes s420 runs rough on cold start up, then engine runs fine after 15 seconds, but there is odour of gas

FOUND 4487 RELATED QUESTIONS

Running Rough

27 ANSWERS
34 IMAGES

Idles Rough/changed Ects

37 ANSWERS
3 IMAGES

1 Answer

Tiny

rasmataz

July, 29, 2011 AT 8:23 PM

Check and test the engine coolant temperature sensor and clean throttle body

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