my rpm gauge goes up and down on 2004 Chevrolet Impala

when traveling up a ramp I seem to have no power and when I am driving normal it seems like my impala wants to accelerate.

by in Yuba City, CA on August 30, 2011
1 answer 1 comment
ANSWER by on August 30, 2011
i would have the fuel pressure checked and the cat coverter checked for blockage. Roy
COMMENT by on August 30, 2011
thank you for your advice. I'll have my mechanic check it for me.

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