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WH statesman missing/rough idle

cheekybabe85

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Joined
Mar 26, 2009
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Age
37
Location
brisbane
Members Ride
vs commodore exec v6 & statesman wh v6sc
Hi,

Have a 2002 wh statesman v6 auto that i have recently serviced. Spark plugs, dfi module, coil packs and IAC valve have been replaced with new parts and i have done the throttle position sensor a year ago.

We were having issues with it stalling while idling then didnt want to start however after changing every thing i have that is not an issue now but when the car is warm and the air con is on it is missing and does not want to respond to me putting my foot down but i turn the air con off not a problem. But when i had a chance to go to 80km/hr when got to be about 70 you could feel hesititation/missing.

I am thinking leads next however they would be about 1.5 yrs ago and this car only gets used a few times a week for shorts trips normally.

Need things to look for as this has me stumped. Thanks in advance!
 
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