2013 Toyota Camry Engine Knock At Start Up

2013 TOYOTA CAMRY
22,000 MILES • 2.4L • 4 CYL • AUTOMATIC
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JOHN1927
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Dealer said oil change not due till 25k.
Car sat for two days temps were in mid to upper 30's at night, 40's during day.
At Start up after two days heard engine knock that lasted 15-20 seconds.
OK now.
Is this something that should be looked at?
Thank U!
Dec 16, 2014 at 3:53 PM
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HMAC300
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have the dealer take a look at it however it may be what is commonly called piston slap or it may be a cold start up thing that makes it sound like the bearings are dry but actually aren't. Chevy had a problem like that back in the early 90's but it didn't hurt anything. the sound may quit when oil pressure builds up. could be a n oil filter problem if you used cheap filters made in china. at last oil change.
Dec 16, 2014 at 4:40 PM