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Old Apr 11, 2007 | 04:09 PM
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Default car jerking! HELP!

hey guys, so today and the past couple of day i noticed my car jerks back and forth (not badly/dramatic/extreme) just a little (smoothly) it just doesnt feel right... this only happens at 50mph at around 1000-2000rpm. what is going on? i also notice the same thing when i put her on cruise control at 65 mph at 2200 rpm. what is up with that? please help. sorry if i'm posting at the wrong section, i dont know where this belongs. thanks so much guys!
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Old Apr 11, 2007 | 04:15 PM
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Originally Posted by vipert/a
hey guys, so today and the past couple of day i noticed my car jerks back and forth (not badly/dramatic/extreme) just a little (smoothly) it just doesnt feel right... this only happens at 50mph at around 1000-2000rpm. what is going on? i also notice the same thing when i put her on cruise control at 65 mph at 2200 rpm. what is up with that? please help. sorry if i'm posting at the wrong section, i dont know where this belongs. thanks so much guys!
Not enough info.
What kind of car?
Year/model..
Transmission type?
Current Mileage?
Recent mods ?
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Old Apr 11, 2007 | 04:33 PM
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Tie rods, or ball joints maybe?
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Old Apr 11, 2007 | 04:50 PM
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Originally Posted by BYE RICE
Not enough info.
What kind of car?
Year/model..
Transmission type?
Current Mileage?
Recent mods ?
98 t/a
a4
56k miles
stock stock stock 100% purely bone stock straight fom the factory...
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Old Apr 11, 2007 | 04:53 PM
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Originally Posted by l337_haxs
Tie rods, or ball joints maybe?
k. i'm really super new to the car ethusiast world and blessed to have chosen the ls1 as my first car as my pride and joy. so what is tie rods and ball joints?
can i repair this? what is causing it? how much $$$ am i looking at here? is this a serious thing? thanks
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Old Apr 11, 2007 | 05:04 PM
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Does it do it in a certain gear?( I assume it happens in 4th)..Try & see if it does it in 3rd.
-Check your codes(if any) in the PCM.
-Check your transmission fluid for both correct fluid quantity & condition.
-Look over your engine for anything obvious,with special attention to the coil packs & ignition wires.
-check for any air leaks down stream of the MAF.

What kind of fuel do you use?
Did you recently change brands/octane ratings?
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Old Apr 11, 2007 | 05:32 PM
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91 chevron w/ techron for life. damn i'm gonna try and find out all those things you mentioned... can i take her to a shop to have them checked?
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Old Apr 11, 2007 | 06:07 PM
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Originally Posted by vipert/a
91 chevron w/ techron for life. damn i'm gonna try and find out all those things you mentioned... can i take her to a shop to have them checked?
91 octane hmmm.You must be in Cali or some other place out west.
By all means take the car to a shop if you're new to the hobby or otherwise just not well versed automotive diagnostics/repair.
If I were you,get ahold of the owners manual & just read through it..& look at what needs to be done at various mileage intervals..
Go with the "city /short trip" schedule.
Being a novice, you'd be suprisedwhat you might learn just by reading the owners manual.
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Old Apr 11, 2007 | 07:16 PM
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Originally Posted by BYE RICE
91 octane hmmm.You must be in Cali or some other place out west.
By all means take the car to a shop if you're new to the hobby or otherwise just not well versed automotive diagnostics/repair.
If I were you,get ahold of the owners manual & just read through it..& look at what needs to be done at various mileage intervals..
Go with the "city /short trip" schedule.
Being a novice, you'd be suprisedwhat you might learn just by reading the owners manual.
i read the entire manual some time ago.
i'm pretty up to date w/ everything... i hope this isnt bad...
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Old Apr 11, 2007 | 07:57 PM
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When is the last time you changed the fuel filter?
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Old Apr 11, 2007 | 08:27 PM
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5,000 miles ago...
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Old Apr 11, 2007 | 08:46 PM
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do you have balder front tires when mine started going down hill my car jerked back and forth as you discribed
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Old Apr 11, 2007 | 08:56 PM
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Originally Posted by vipert/a
i read the entire manual some time ago.
i'm pretty up to date w/ everything... i hope this isnt bad...
Oh ok..
Most people don't.
Are you in cali?
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Old Apr 11, 2007 | 09:19 PM
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As far as jerking back and forth do you mean the engine is sputtering or is the whole car moving left to right?
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Old Apr 11, 2007 | 09:31 PM
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Originally Posted by cyamaha2007
do you have balder front tires when mine started going down hill my car jerked back and forth as you discribed
i wouldnt call my tires bald. i think they are still good. i'd give it 6.8/10
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Old Apr 11, 2007 | 09:34 PM
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Originally Posted by BYE RICE
Oh ok..
Most people don't.
Are you in cali?
yes i am
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Old Apr 11, 2007 | 09:35 PM
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Originally Posted by cfiester
As far as jerking back and forth do you mean the engine is sputtering or is the whole car moving left to right?
could be the engine sputtering. i think
i dont think im feeling any left to right...
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Old Apr 11, 2007 | 09:38 PM
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could possibly be a cylinder misfiring? or maybe your air filter? spark plugs?
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Old Apr 11, 2007 | 09:42 PM
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i am experiencing the same thing at 2000 rpm. I am going to start with a fuel filter and plugs. Does anybody know if a cam or crank position sensor could cause the same problem?
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Old Apr 11, 2007 | 09:44 PM
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you can go to your kragen auto store and have them scan for codes for free..
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