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  • Ioniq MPG changed the title to 3.0 Duramax failure
On 4/9/2022 at 3:40 AM, GK Hill said:

Dealer says the oil level and fuel sample are good. Code pulled states cylinder 3 misfire. Charge air cooler scoped with no findings.  Compression on cylinder 3 is lower than the others.  Next steps pending GM direction.
 

I have been told twice by the service advisor “if it needs an engine, we will put an engine in” which makes my feel so much better.

 

My truck was at the same dealer 1200 miles ago due to CEL for a bad charge air temp sensor harness and an oil change.

Post the dealers oil and fuel analysis data.  It would be helpful to KNOW what caused the failure. First direct failure I have heard of. 

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15 hours ago, GK Hill said:

Truck needs a new engine. First time having a dealer installed new engine in 36 years of vehicle ownership. Also, my first American truck purchase. Irony. Engine should arrive next week from MI.

 

I feel the wrong engine oil was added at the dealer. No reason given for the engine failure. 
 

&:$;$;&;&4/@&£_£|€~^}+#£<<£_=[!,!,?>]^

Wrong engine oil won't fail the engine that fast. 

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