03 Tahoe 5.3 blinking check engine light misfire

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rockola1971

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Thanks for the info. Unfortunately I forgot to mention in initial post, I do have a new battery on it. Seeming from posts and narrowing down its either intake or cat/o2 sensors. Really hoping its not intake because Im afraid of that job lol
Its not that bad of a job. If you can operate a ratchet then you can do the job. Just get you a haynes or whatever and follow the torque specs and order.
 
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