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Cylinder #4 misfires, and the code says low coolant as well as O2 sensor

(2004 Chevrolet Trailblazer)
in Richmond, VA on November 28, 2009
I have MULTIPLE DRIVEABILITY SYMPTOMS of CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE. It feels like the engine is stalling, but it doesn't. also when i ascend up a hill it feels rougher than when i am going down.
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Popular Answer
on November 28, 2009
What are the code numbers please? I assume one code is P0304 what are the others.
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