320 CLK missing badly
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Joined: May 2015
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From: Seattle
CLK320, convertable
320 CLK missing badly
My car started missing badly-lost power on my way home on the freeway and I took to a shop that had done good work before. They said my leaky valve covers had ruined my spark plug wires. I took it home and replaced valve cover gaskets and wires and plugs and still runs as if it plugs are bad, or nor sparks in all cylinders. What next anybody, I hate to take it to another shop and get a wrong diagnostic again 
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Joined: Oct 2016
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'00 CLK 320 vert (bordeuax) AMG kit, 18" Chrome AMG's, -Studs winter tire on Chrome 17's, Gucci int.
My car started missing badly-lost power on my way home on the freeway and I took to a shop that had done good work before. They said my leaky valve covers had ruined my spark plug wires. I took it home and replaced valve cover gaskets and wires and plugs and still runs as if it plugs are bad, or nor sparks in all cylinders. What next anybody, I hate to take it to another shop and get a wrong diagnostic again
Member
Joined: Dec 2015
Posts: 90
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2000 S430L, BMW 530i
Hmm, would leaky valve covers really ruin plug leads anyway?
Unless you have a car where the plug holes can fill up with oil then I can't see why the garage would have suggested the valve covers as a culprit
What do others think?
Unless you have a car where the plug holes can fill up with oil then I can't see why the garage would have suggested the valve covers as a culprit
What do others think?
Super Member
Joined: Jan 2014
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From: Pottstown, PA
'97 S500 Coupe, 2016 AMG S63 Coupe, 2007 Audi Q7
Glad you found the source, why this wasn't found by shops is one of the reasons to be able to investigate yourself (forums can help, before you visit ant shop. A scanner would show the misfire on the cylinder which would could be coil, wire, plug, or cylinder. Troubleshooting can be time consuming, but finding the source and fixing it yourself is very satisfying.
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2000 CLK 320
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From: Florida
2002 CLK 55 AMG cabriolet Eurocharged
Tape could be used on an exposed wire.
Some type of Silicon sealer can be applied to loose connectors on the outer casing.
If the connector is rotten from oil or heat it should be replaced
Some type of Silicon sealer can be applied to loose connectors on the outer casing.
If the connector is rotten from oil or heat it should be replaced
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2000 CLK 320
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