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Discussion Starter · #1 · (Edited)
There is a strange clicking noise coming from the engine at idle, when I rev the car this clicking noise goes faster. This even clicks when driving slowly and annoys me when I reach a red light but at higher speeds you can't hear it and in the pipes inside the engine which is visible I can hear something like rocks are hitting inside them.
For example I went to a site called autonumen.com and There was such a huge list of OBD2 Diagnostic Tools, And it seems the older the site, the more low price it becomes. Why? Like a MB Star C3. But a Modern site costs around 180usd. Why? Are the older ones better quality, or do they have better sound?
 
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