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Old 07-08-2012, 04:19 PM   #1
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Angry My LFX is hesitating

Yesterday I was driving in my 45th down the freeway and I noticed that when I tried to accelerated a bit, my car started to hesitate and lose power.
Has this happened to any one here?

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Old 07-08-2012, 04:39 PM   #2
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Have you done any mods?
Are you still inside warranty coverage?
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Old 07-08-2012, 04:47 PM   #3
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traction control? Any lights on dash?
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Old 07-08-2012, 04:50 PM   #4
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there is a known torque converter issue that sounds similar to this (most reported lugging uphill in lower rpms when accelerating).
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Old 07-08-2012, 04:51 PM   #5
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No mods. All stock. Hesitates with the traction control on and off.
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Old 07-08-2012, 04:58 PM   #6
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Take it to the dealer.
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Old 07-09-2012, 12:33 AM   #7
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This has been a well discussed issue, the rpm's are between 1,200-2,000 when the slug hits and the LFX engines wait to go then hit the higher rpm's and pick back up, There's a ported throttle body available for pre-order that is supposed to fix that problem
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Old 07-09-2012, 12:42 AM   #8
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Will the dealer put this new ported throttle under warranty? I only have 10k on the 45th
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Old 07-09-2012, 02:06 AM   #9
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Quote:
Originally Posted by Chef Camaro View Post
This has been a well discussed issue, the rpm's are between 1,200-2,000 when the slug hits and the LFX engines wait to go then hit the higher rpm's and pick back up, There's a ported throttle body available for pre-order that is supposed to fix that problem
Nofence but that's wrong. He's not talking about the "deadspot" he means that it will barley accelerate and as other people said its the torque converter which has been a known problem and I think is covered under warranty and your dealer should replace it for free


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Old 07-09-2012, 08:01 PM   #10
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yes it is covered by the warranty..hope you can get it fixed as soon as possible
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Old 07-10-2012, 12:10 AM   #11
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Probably the torque converter. Mine went bad and it's getting replaced tomorrow. Boy am I nervous.
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Old 07-10-2012, 12:52 AM   #12
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This sucks big time. I'm sure we all paid a lot of money for our cars. I never expected for something to go wrong at 10k. I'm kind of second guessing Gm quality vs Ford. I love my camaro, but if it is going to be falling apart I think I'm leaning on getting a mustang.
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Old 07-10-2012, 12:53 AM   #13
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Can someone elaborate on the torque converter? I experience the same thing and I assumed that was the infamous dead spot!
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Old 07-10-2012, 04:53 AM   #14
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Mine would start jolting and shaking if I slowly wanted to accelerate from highway cruising speed. It literally shakes the car like you are going over rumble strips sounds almost the same too. It was rare at first then I went for a weekend cruise and I couldn't count the number of times it happened. It started to drive me crazy.
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Old 07-10-2012, 01:09 PM   #15
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Quote:
Originally Posted by HP Turbine View Post
Probably the torque converter. Mine went bad and it's getting replaced tomorrow. Boy am I nervous.
Just got back from the dealer installing a new sunroof air-dam assembly. Mine was catching on the roof opening when closing - very aggrevating. Seems okay now.

Told y'all about the need to have Fuel Pressure Sensor reprogrammed during my vacation last week. I mentioned this to my local service tech this morning and that I was experiencing a slight "pulsing" at gradual acceleration (but nothing as bad as you described earlier) and to please check it.

They checked it/drove it... I now have a new torque converter on order, too. Five to eight days arrival. Five hours to install.

I must confess, I'm getting a little skeptical as well. At least it's all under warranty (so far).
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Old 07-10-2012, 02:02 PM   #16
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Quote:
Originally Posted by PalmerGA View Post
Just got back from the dealer installing a new sunroof air-dam assembly. Mine was catching on the roof opening when closing - very aggrevating. Seems okay now.

Told y'all about the need to have Fuel Pressure Sensor reprogrammed during my vacation last week. I mentioned this to my local service tech this morning and that I was experiencing a slight "pulsing" at gradual acceleration (but nothing as bad as you described earlier) and to please check it.

They checked it/drove it... I now have a new torque converter on order, too. Five to eight days arrival. Five hours to install.

I must confess, I'm getting a little skeptical as well. At least it's all under warranty (so far).
did they say anything about your cai? Just made my appointment to bring the car in for a check-up.

Last edited by butters; 07-10-2012 at 02:40 PM.
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Old 07-10-2012, 02:54 PM   #17
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I just dropped mine off . I hope your 5 -8 day arrival is right. I was told 3-5 only to find the part was back ordered. It took a few weeks to get.
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