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  1. UH OH :S oil in my combustion chamber!?

    04.5-05 LLY Duramax Powertrain
    well i got my new injectors in today. cool. I went to vacuum out my cylinders and much to my surprise im vacuuming out oil... and that isn't cool because i didn't notice anygo in when i was pulling out my old injectors. can oil get in there when u have a bad injector or something?:help
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