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Ping or Knock on Startup,

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Old 02-03-2006, 08:50 PM
  #1  
bwoodry
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Default Ping or Knock on Startup,

Hello all:

When my car is fully warmed up and the temp needle is fully in the middle of the gage I have a start up noise.

When I start the car a pronounced Ping or knock occurs just once Then goes away.

Is this a Knock that occurse from timing advance or low octane?
Car does not ping or Knock any other time .


Anyway it concerns me ..... , I searched teh archives and found nothing exactly like this..
Thanks

Bob
Old 02-03-2006, 10:16 PM
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ltbrkm3
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hey....I get that at 3500 RPM, but two knocks and none under full throttle at lower RPM?!?



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