what would cause a clattering noise during excelleration between 10 and 30 mph on a 1999 silverado
Dec 19, 2010 at 4:55 PM
noise
EKONZELM
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Do you have a check engine light? Could be pinging due to the EGR valve and type of fuel being used-overly advanced ignition timing
Dec 19, 2010 at 5:03 PM
The clattering stop's when truck in nuetral or revers or park. clatters only going forward.
Dec 19, 2010 at 5:10 PM
Check the oil pressure with a mechanical gauge to rule out low oil pressure
Dec 19, 2010 at 5:30 PM
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