I'm new here and have been all over the web looking for someone with the same problem. I have also posted on the G6ownersclub website. Here is what is happening...
I have an 07 G6 with the LX4 VVT engine in it. It has 93k on it. It seems to have very little power on the low end. In fact... until I get it wound up I think my junker 1.9 L SOHC saturn would take it and the transmission is all but out on the Saturn! It takes off in second gear.
Anyway, the G6 idles smooth, there is no light and no codes. I have had to to my local mechanic and the dealer and no one knows what is wrong. It seems better sometimes but then other times it is so bad that I'm unable to use my cruise control. If I set my cruise at 65 on the hwy it will bog down to under 60 on a small incline then start to shake a bit...then BAM it takes off flying like a bat outta (you know what) and goes all the way up to 70 + then slowly settles back down. Then the cycle starts all over again. If I drive it with my foot it I can do better but I sometimes have to push the accerator almost 1/2 why down to get it to stop shaking and downshift. It is like driving a 4 cyl 5 speed on a hill and you need to downshift but don't..makes the engine sort of chug. It does not have much low end power at all and feeling like I'm driving a wheezey old datsun or something. My aunt has basicly the same car (2010 Malibu) with the 4 cyl in it and it runs MUCH better than my LX4 and she gets like 35mpg. If I can't get this figured out I'm going to trade it for a 4cyl.
Does anyone have any ideas? I have already put new plugs and wires on with no change at all. Just drove it on a 2500 mile trip on vacation per dealer suggestion to see if the light would come on and nothing. Still runs like crap.
Thanks for any help anyone can give me.
Rob
I have an 07 G6 with the LX4 VVT engine in it. It has 93k on it. It seems to have very little power on the low end. In fact... until I get it wound up I think my junker 1.9 L SOHC saturn would take it and the transmission is all but out on the Saturn! It takes off in second gear.
Anyway, the G6 idles smooth, there is no light and no codes. I have had to to my local mechanic and the dealer and no one knows what is wrong. It seems better sometimes but then other times it is so bad that I'm unable to use my cruise control. If I set my cruise at 65 on the hwy it will bog down to under 60 on a small incline then start to shake a bit...then BAM it takes off flying like a bat outta (you know what) and goes all the way up to 70 + then slowly settles back down. Then the cycle starts all over again. If I drive it with my foot it I can do better but I sometimes have to push the accerator almost 1/2 why down to get it to stop shaking and downshift. It is like driving a 4 cyl 5 speed on a hill and you need to downshift but don't..makes the engine sort of chug. It does not have much low end power at all and feeling like I'm driving a wheezey old datsun or something. My aunt has basicly the same car (2010 Malibu) with the 4 cyl in it and it runs MUCH better than my LX4 and she gets like 35mpg. If I can't get this figured out I'm going to trade it for a 4cyl.
Does anyone have any ideas? I have already put new plugs and wires on with no change at all. Just drove it on a 2500 mile trip on vacation per dealer suggestion to see if the light would come on and nothing. Still runs like crap.
Thanks for any help anyone can give me.
Rob
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