2000 chevy 4.8 4x4

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Old 12-05-05, 07:25 AM
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2000 chevy 4.8 4x4

I dont think its been to long since i changed plugs. Seems that in the morning it sure has been rough idleing and the tach just seems to stay about the 500 to 6. Is that idleing high enough.. It seems to have its high rev spurts and then sound like it wants to die. seems after it warms up it runs better. were do you think i should start.
 
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Old 12-09-05, 06:46 AM
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ok, lets try one more time. i guess i will try and replace plugs and wires..
it now sounds like it has some type of miss if i am letting it idle.. i can feel it
kinda surge when doing about 20 and let off the gas and just roll. My real question is the idle rpm.. is that auto set by the on board computer.. or ?
would i be better just letting someone else look at it.. i got 150,000 on it and
just wonder what else could be done to it with a regular tune-up at the shop instead of me replacing plugs,wires,air clearner and such..
 
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