Engine bog on highway

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SunlitComet

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that means it had a active misfire trapped a component code that was intermittent. see if you cant pull a code history to look at. aka stored or pending codes.
 

_Dylan_

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Flashing CEL could be a misfire code. Why didn't you stop by an vatozone to get it checked?
 
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psfr311

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so the engine bog still occasionally occurs while at highway speeds.

Im starting to think my egr valve is sticking or starting to go.

almost everytime i startup (besides cold starts) the engine sounds like its stumbling over its self and has a groggy startup. it starts everytime and runs fine as soon as it starts up.

when this stumbling occurs on startup my emissions pump comes on for about 5-10 seconds
 

retorq

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Put a real time scanner on there and see exactly what it's doing rather then make a vague post here every few months. Miiiiiight get it fixed quicker. Just sayin ...
 

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