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I have a 2006 CDI Smart car and when I first start it when it is cool I will hear a clicking noise.It quits making this noise if I spead up the engine.Cant find anything loose so would you have any ideas as to what this is?

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Could be the oil pressure building up , check oil level if ok and no other symptoms i would'nt worry unless gets worse

Posted on Nov 09, 2014

Testimonial: "Thanks for the advice,oil good,going to use a (stesascope) to try and find where it is coming from."

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Lifters or valve. About $150 retail including labor.

Posted on Nov 09, 2014

Testimonial: "You are right it could be a lifter,but even after I rev it up and bring it back to idle it will still make the noise,goes away after it gets warm,Thanks for the suggestion."


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