Type: Posts; User: fargo_182
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07-28-2010, 09:01 PM
That looks pretty sweet.
The code is P0420
Does piston slap sound anything even like what I'm hearing?
It almost sounds like it is in the exhaust near the headers. You know where two cats are. it sounds like a baffle...
It's coming from deeper in the engine. It still runs fine though? I'm assuming it's just a matter of time before it blows now....
I gotta go get a code reader today to check it.
I have a 2003 silverado 4.8l 2WD
Has 300,000km - so about 180,000miles
Just recently started it up and it has this noise, like rocks bouncing around in a tin can.
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