Noise from engine.

Asked by Apr 17, 2018 at 01:54 PM about the 2010 Chevrolet Silverado 1500

Question type: Maintenance & Repair

Hi.i have a chevy Silverado 5.3
2010 4x4. Flex fuel.I run regular.
I read, over filling probably is not
good to do but recently I guess I
have. I have drove for
approximately 100 kms.
My engine light has come on
flashing, my stabilitrack light is
on,I hear a ticking noise and
periodic (hard) knock.scanned the
engine with a reading of misfire
on  #4 (mechanic) changed
sparke plug and also switched
plug wire and coils around to see
if this would make difference. It
didn't. Recently had oil change.
Maybe  500 to 1000 kms ago.
Been doing some research I'm not
liking what I'm reading and seeing
on vids. It's the hard knock that is
my concern if I try some of these
fixes that I can try before getting
my engine torn apart. That hard
knock?will it f#@*k my engine
before it even starts to do
anything helpful (should I even be
starting it)?

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