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 Engine Knocking Sound, Engine Knocks when go over ramp

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TSrajivakalanka
post Apr 7 2017, 06:28 PM, updated 7y ago

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Hello Sifu's in the forum.

Anyone can enlighten me on what factors can cause a new engine (6-7 month old - ~5000Km) to knock while accelerating and climbing up a ramp ? Already tried RON97 and Knock Sensor changed under the car warranty but my issue is still there. Anyone can help me to "Advice" the Service Advisors on where to look for cos hey are hopeless when it comes to troubleshooting and understanding customer's complains. (I'm talking about the Service Center at Proton HQ)
Thank you for reading.
TSrajivakalanka
post Apr 10 2017, 01:25 PM

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QUOTE(rcracer @ Apr 7 2017, 07:29 PM)
What engine ?
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It's CamPro VVT engine in new Persona. CVT Transmission.
TSrajivakalanka
post Apr 10 2017, 01:27 PM

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QUOTE(therain01 @ Apr 8 2017, 12:30 AM)
New car shouldn't have parts dirty issue. Probably check the ECU.
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They said checked and calibrated the ECU/Software during my 1st complaint.
TSrajivakalanka
post Apr 10 2017, 01:38 PM

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QUOTE(rcracer @ Apr 10 2017, 01:35 PM)
Hmm no idea, with vvt and cvt , the Campro knock issue should have been solved ,

Inherently all Campro have low speed knock
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That's is my worry too. I'm afraid if this does any damage to the engine.


 

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