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Old 04-13-2017, 11:08 PM   #1
knightofnoise
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2008 Astra XR
Default Incredibly Slow Acceleration From a Stop

I bought my Astra about a month ago, and it has a few issues, but the biggest problem I'm having is the acceleration. It seemed fine when I test drove it, but now that I'm driving in actual traffic, it's not.

0-20mph seems to take about a decade. I can put the pedal halfway down or all the way to the floor, and it makes no difference, there's barely any throttle response. Once it gets past 15-20mph, the RPMs start to increase much more rapidly, and it takes off like I would expect a car to.

It's incredibly annoying. I've owned 18 cars, most with less than 100 horsepower, and none of them were this slow to accelerate from a stop. I have to wait for much larger gaps in traffic than I normally would, just to make sure I don't get hit or cut someone off.

There was one day, maybe two, where it seemed to be accelerating the way I expected a car to, so I know it's possible for it to go faster than this. I thought maybe it was "learning" the way I drive or something, but if so, it forgot again.

It's an automatic, that might be relevant information. And the display does show D1, so I don't think it's trying to take off in 2nd or something. At least it doesn't think it is.

If anyone has any insight into this issue, I would really appreciate it. I want to like this car, but it's very hard to do so when it can't get out of its own way.

Thank you.

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Old 04-14-2017, 09:49 AM   #2
tackepj
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2008 Astra XE
Default Re: Incredibly Slow Acceleration From a Stop

It's definitely not a rocket, but it sounds like something is wrong. Is the engine light on? If so, can you get the codes read? It's not revving up without accelerating, indicating a trans problem, correct?

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Old 04-14-2017, 10:46 AM   #3
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Default Re: Incredibly Slow Acceleration From a Stop

What is the current mileage? Do you know the maintenance history of this transmission?

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Old 04-14-2017, 11:32 AM   #4
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2008 Outlook XR
Default Re: Incredibly Slow Acceleration From a Stop

Hi,

Take a look at my thread from 3.5 years ago...sounds very similar.

http://www.saturnfans.com/forums/sho...d.php?t=195752

After a couple trips to the dealer it was determined that a gear had cracked. It was replaced (under warranty) and its been trouble free ever since.

It did eventually throw a check engine light but not right away. The glacial acceleration was very prevalent though.

...
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2008 Saturn Outlook XR, 260,000km

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Last edited by Saturn4Ever; 04-14-2017 at 11:37 AM..

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Old 04-14-2017, 03:31 PM   #5
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2004 L-Series 2.2L Wagon
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Default Re: Incredibly Slow Acceleration From a Stop

Quote:
Originally Posted by pierrot View Post
What is the current mileage? Do you know the maintenance history of this transmission?
Yes^^^^ let us know the mileage on this vehicle. My 1st thought was a plugged cat after reading your post.

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Old 04-16-2017, 03:39 PM   #6
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Default Re: Incredibly Slow Acceleration From a Stop

Quote:
Originally Posted by rb6667 View Post
Yes^^^^ let us know the mileage on this vehicle. My 1st thought was a plugged cat after reading your post.
A plugged cat or a bad camshaft sensor. They don't always throw a code right away.

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Old 04-26-2017, 09:04 PM   #7
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2009 Astra XR
Default Re: Incredibly Slow Acceleration From a Stop

I would definitely check the camshaft sensor. It affects acceleration when it goes bad, and like Nicholas said it doesn't always throw a CEL (although the code may be there). It went bad on me, and and I almost got smoked by a truck merging onto the highway, because it wasn't accelerating the way it should. I had mine replaced under warranty, but I heard its a fairly easy job to do yourself. And its a fairly common problem, so I would look there first.

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