Engine knocking during acceleration when hot

Tiny
IQBAL1
  • 2009 SUZUKI LIANA
  • 4 CYL
  • FWD
  • MANUAL
  • 35,000 MILES

Knocking sound coming during acceleration but only in hot.
1. Cold engine is running fine and
2. With Hi octane running fine even in hot condition.

Possible causes?

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Monday, December 6th, 2010 AT 5:48 PM

2 Replies

Tiny
KHLOW2008
  • EXPERT
  • 41,974 POSTS

Without understanding the type and source of the noise, it is not possible to provide any comments.

Is it consistent with engine speed?
Does it occur at a constant rate?
Does it change with abrupt or constant throttle opening?

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Monday, December 6th, 2010 AT 9:03 PM
Tiny
USMAN900191
  • MEMBER

I have the same problem. It is consistent with the engine speed as well as if I accelerate it in nuetral. Moreover, I have also get it fueled with hi octane, the knocking becomes less but its still there.

Kindly guide me what to do.

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Monday, December 21st, 2015 AT 10:57 AM

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