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Yesterday while at a drive through my 08 Envoy Denali started idling odd. My check engine light came on the started blinking. I took it to autozone and they told me the code was P0300, multiple misfires. I was able to drive it to a shop and drop it off. Mechanic looks at it and says #! and #2 Cylinders have NO COMPRESSION??? None, and the spark plugs look as if they have been packet in mud. Has anyone ever experienced this? They said I would most likely need a new engine. I'm hoping it just a nightmare I'm going to wake from soon.
 

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2008 gmc envoy_sle
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Yesterday while at a drive through my 08 Envoy Denali started idling odd. My check engine light came on the started blinking. I took it to autozone and they told me the code was P0300, multiple misfires. I was able to drive it to a shop and drop it off. Mechanic looks at it and says #! and #2 Cylinders have NO COMPRESSION??? None, and the spark plugs look as if they have been packet in mud. Has anyone ever experienced this? They said I would most likely need a new engine. I'm hoping it just a nightmare I'm going to wake from soon.
hi,

whats the mileage?

v8 right?

last tuneup was when? oil change?
 
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