- #18 of 170
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Start Up Squeal [by Weathernut]
by weathernut
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Jun 06, 2007 (1:46 pm)
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I have a 2007 Impala LT 3.5 6 cylinder. Anytime the car sits for several hours it emits a loud whining sound for about 1 minute immediately after starting.The dealer tells me that it is the air pump and that the noise is normal. Is anyone else having this problem?
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- #19 of 170
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Re: Recall on 07's... [colchester47]
by mbmiller2000
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Jun 08, 2007 (1:00 pm)
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Replying to: colchester47 (Mar 18, 2007 4:57 am)
are there any other recalls you are aware of? I have an 07 SS and it has 2097 miles on it. It is in the shop for the second time. The first time they replaced two wires. Now, there are two more wires they want to replace, but are waiting for authorization to get reimbursed for the 6 hours of labor. They really aren't sure why it keeps dying. It makes me sick. It is a gorgeous ride, I love driving it, but I can't depend on it to leave town. And I paid a lot of money for it. Anyone else having this dying issue?
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- #20 of 170
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Re: MPG for the 07 SS Impala [teresabutler89]
by quietpro
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Jun 11, 2007 (2:11 pm)
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Replying to: teresabutler89 (Jun 04, 2007 8:09 am)
Do you happen to use your cruise control? I get no less than 24 mpg with my 06 SS and sometimes get just under 27 mpg. Are you driving in a lot of traffic with braking and acceleration? There's got to be a reason. 
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- #21 of 170
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Re: Recall on 07's... [mbmiller2000]
by teresabutler89
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Jun 22, 2007 (7:36 pm)
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Replying to: mbmiller2000 (Jun 08, 2007 1:00 pm)
no recalls yet , that I know of involving this problem you are having. But I am also starting to notice that when I have my AC on max my cars starts to idle rough & acts like its going to stall.
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- #22 of 170
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Re: MPG for the 07 SS Impala [quietpro]
by teresabutler89
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Jun 22, 2007 (7:45 pm)
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Replying to: quietpro (Jun 11, 2007 2:11 pm)
I have tried using the cruise control setting it in when the road is pretty straight not many hills & such, I-55 from Springfield Il to StL. I was staying pretty much at 65-70, not much braking, nothing crazy on the acceleration.
I just do not think the fuel management is working like it's supposed to. I've even noticed my car , w/the AC while stopped at a stop light acting like it's going to stall now.
We are in the process of getting out of this car & into the V6, complained enough to the dealer they are going to work something out w/use.
Just wondering if I should stick w/the smaller V6/3.5 or if we should push for the bigger V6/3.9. I really want to see the 30 MPG's again on the highway like we did w/our 06 Malibu that had a 3.5L.
The last time I checked our car the 07 SS, I did it using the odd fashion way, I wrote down the odometer, filled up then, let it get down to 1/4 of a tank, filled back up & checked odometer, subtracted the two readouts and then divided by the gallons i used, & it actually was getting worse, it was coming out around 19.8 HWY MPG's.
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- #23 of 170
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Re: Trunk leak on Impala 2007 [rguthrie]
by teresabutler89
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Jun 22, 2007 (7:49 pm)
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Replying to: rguthrie (Apr 17, 2007 2:57 pm)
Sorry to change the subject , but I noticed you have a 07 LTZ What kind of Gas mileage you getting on it for the HWY? thanks
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- #24 of 170
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Re: Trunk leak on Impala 2007 [teresabutler89]
by rguthrie
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Jun 23, 2007 (5:25 am)
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Replying to: teresabutler89 (Jun 22, 2007 7:49 pm)
This week, I made a round trip from Chicago to St. Louis, and averaged 26.12, doing about 68 mph, using the cruise control all the way. I got as low as 24.6, and as high as 30.4 with the gas fill ups. I have the 3.9 engine. I purchased the car in mid February, and in March my average for the month was 23.17, for April was 18.73, for May was 26.7,this being a combination of city & highway driving, using cruise control whenever I can. So, as you can see, the mileage goes all over the place.
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- #25 of 170
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Re: MPG for the 07 SS Impala [teresabutler89]
by garsarno
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Jun 24, 2007 (3:32 pm)
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Replying to: teresabutler89 (Jun 22, 2007 7:45 pm)
I have 10,700 miles on my 2007 Impala SS (black) since 1/27/07 and no problems at all. I would take the car back to the dealer for evaluation. Best mpg was Wilkes Barre to Cleveland at 75-80 mph, got 24.7 mpg per computer.
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- #26 of 170
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Re: MPG for the 07 SS Impala [garsarno]
by quietpro
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Jun 25, 2007 (8:47 am)
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Replying to: garsarno (Jun 24, 2007 3:32 pm)
Keep in mind when you're figuring fuel mileage that when you fill up, you could throw your mileage figures off considerably depending on how you "top off" the tank. If you go to the nearest dollar, that could vary your top off by a 1/3 of a gallon at $3/gallon. If you just stop pumping when the pump auto-stops, you're letting the calibration of the pumps determine your top off. That's fine if you use the exact same gas pump at the same gas station every time but otherwise, there will be a variance. Over time, the variances will even out but you are basing a decision on whether or not to get rid of your car on a relatively short period of time so I would consider these variables as well.
As stated earlier by you and others, it sounds as if you do have some mechanical issues as well. Have you ever run your DIC in the instantaneous economy mode and watched as the engine switches between 8 & 4-cyl mode? I did that a good bit when I first bought the car and learned to hear and feel when the engine switched into 4-cyl mode. Learning how to "soft pedal" the car may help improve your economy as well.
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- #27 of 170
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Re: MPG for the 07 SS Impala [teresabutler89]
by teresabutler89
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Jun 25, 2007 (1:15 pm)
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Replying to: teresabutler89 (Jun 22, 2007 7:45 pm)
Well we were not successful in working things out on our 07 SS to get into a Impala LT w/a V6. They were going to trade us straight across but my husband was furious because we only had this car 30 days, & does not want to be upside down farther by having financing for a 07 SS, then loose further money when we go down in a lesser value car & you factor in the depreciation. So we turned them down. Tried to get them to just buy the car back from us, but they stated they had too much inventory & were not interested in purchasing any more vehicles. So I do not know what were are going to do.
THe thing is not running right. SOmetimes at a idle w/the air on it's wanting to die. Not good when your stuck in the middle of intersectin somewhere & your car acts like its going to stall on you.
Also today I had another weird thing happen. I was behind a old guy in a pickup truck & for some reason he almost stopped after taking off from a stop light & no one was in front of him. I'd just starting acclerating & had to slow down pretty quick, we''ll then you started taking off so when I went to step on the accelartor the car acted like either the transmission was not shifting right, slipped or the engine wasn't wanting to respond, I just know that it was rough, had a pretty major hesitation from either the transmission or the engine. I was lucky I did not get rear ended.
I'm really being to think we've gotten ahold of a  I sure hope not.
I not it's getting lousy HWY MPG's & I've had it looked out & have been told nothings wrong w/the car.
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