Ping or knocking engine noise


  #1  
Old 08-16-05, 08:07 AM
druelas
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Smile Ping or knocking engine noise

I've got a 1991 toyota pick-up truck, 4 cylinder that has over 130,000 miles. Problem with ping or knocking engine noise when accelerating; wandering what it could be? Tried octane booster but no help. Could it be the ignition timing is off? Would appeciate a response. Thanks!
 
  #2  
Old 08-16-05, 08:36 AM
K
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It sounds like the base ignition timing is off and should be reset.
 
  #3  
Old 08-17-05, 07:00 AM
S
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could be a faulty knock sensor to you need a scanner to see if the computer is picking up the knock signal
 
 

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