my car surges at idle and low rpm

2002 PONTIAC FIREBIRD
11,400 MILES
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HALLMAN1991
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My 2002 Pontiac fire bird surges or stutters at idle and low rpm I have only owned the car for a month and it ran like a top u til the first time I washed it then it started to surge a couple days later it cleared up no problems ran fine for a week washed it again same problem no service light or any thing until this last wash my service engine light came on
I decided to reset my ecu by disconnecting the battery drove the car 40 miles with. No problems all around d town today work ect no problems ran fine all the way to the gas station as soon as I came out of the gas station. And started it the car started to surge or stutter. ......what is going on I have no clue what to do if u get on it it pulls out of its stutter, surge runs but. As soon as it shifts and hits lowrpm it starts all over again
Mar 13, 2012 at 2:02 AM
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ASEMASTER6371
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i would have the mass air flow checked. the water may have damaged it.

Roy
Mar 13, 2012 at 2:19 AM
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HALLMAN1991
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OK thanks will definatly give that a look I noticed I forgot to put the motor and stuff n my question I don't know if it makes a difference but 3.8l v6
Mar 13, 2012 at 2:25 AM
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FIXITMR
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so get codes read?
Mar 13, 2012 at 2:27 AM
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HALLMAN1991
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Yes got codes read I don't remember the exact numbers but it was missing on cyl 1 and cyl6 new coil pack and good to go
Mar 14, 2012 at 12:33 AM
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FIXITMR
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ok
Mar 15, 2012 at 7:33 PM