Mercedes CLK Class Mercedes CLK350 and Mercedes CLK500 Coupes and Cabriolets.

Idle problems

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Old Sep 2, 2011 | 08:14 AM
  #1  
valleyd01's Avatar
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Joined: Sep 2009
Posts: 4
From: Georgia
Default Idle problems

2000 clk 430 125K miles
I have the classic symptoms of a bad crank positioner sensor. The engine will die when idling. I replaced the cps 1 1/2 months ago (AutohausAz) and the car ran great for about a month, but just in the last 2 weeks it's doing the same thing. I replaced the fuel filter yesterday and the plugs were replaced 25k ago. It doesn't idle rough, but if you listen carefully whenever the a/c is on and the compressor cycles on the rpms will drop ever so slightly then recover, thats usually when the engine will cut off.
I was looking at replacing the cps again, but before I do, does anybody have any other suggestions? Thanks
 
Old Sep 28, 2011 | 09:24 PM
  #2  
90vfradam's Avatar
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Joined: Sep 2011
Posts: 26
From: Mass
Default

Is it an automatic???
What does it do when in gear??
 
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