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  #1  
Old 07-07-2010, 12:14 PM
01DangerRanger 01DangerRanger is offline
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Default studder/lung on take off

hey guys when im driving around and when i take off it has a studder/lung right when i step on gas but when im riding it drives perfect and shifts as supposed to be. when i bought the truck it did it and the preveious ower said he changed all the plugs and sum other things and he said it has not a big lung as b4. i was thinking it was the transmition but i just took it to a shop fer a free estimate and they said it might b a worn out u-joint or center drive bearing. i want to know how easy it would b to check these things out, but manly the u-joints. so do i have to take a lot apart and wut do i have to do? thanks, pat
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  #2  
Old 07-07-2010, 12:18 PM
Ranger_EDGE Ranger_EDGE is offline
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Default Re: studder/lung on take off

fuel filter?
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  #3  
Old 07-07-2010, 12:19 PM
Clinton Clinton is offline
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Default Re: studder/lung on take off

check your coils where your wires plug into
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  #4  
Old 07-07-2010, 12:20 PM
01DangerRanger 01DangerRanger is offline
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Default Re: studder/lung on take off

Quote:
Originally Posted by Ranger_EDGE View Post
fuel filter?
i put a brand new one on so it aint that
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  #5  
Old 07-07-2010, 12:22 PM
01DangerRanger 01DangerRanger is offline
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Default Re: studder/lung on take off

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Originally Posted by Clinton View Post
check your coils where your wires plug into
well what do u mean by checking them, how would you want me to do that? i dont want to just put new ones on cus im pretty sure the guy said he ut new plugs and wires on but i could b mistaken and it just b the plugs.
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  #6  
Old 07-08-2010, 05:55 PM
01DangerRanger 01DangerRanger is offline
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Default Re: studder/lung on take off

bump
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  #7  
Old 07-09-2010, 10:03 PM
ajgsxr ajgsxr is offline
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Default Re: studder/lung on take off

I have a similar problem, and I don't think its fuel related, cause the engine never stutters. The engine runs smoothly the whole time.
2003 Ford Ranger 4x4 3.0 V6 automatic transmission.

About a few months ago I noticed a kind of jerking when accelerating/decelerating.
For instance, say I'm driving on a flat road at 55 mph and I let off the gas abruptly, its kinda like a jerk, then if I give it gas again abruptly, another jerk.

Or, if I am on a flat road, or especially a hill and I start from a stop after the initial movement forward it will jerk and then a couple seconds later another jerk. But not always a second jerk, and not every time.

It never does this jerking when I am driving down hill, which I find odd.
I thought maybe it could be the rear drive shaft, but the U joints do not seem to have any play. Though when in neutral, with the parking brake on, the whole rear drive shaft does seem to turn about 3/4 of an inch from side to side.

Is this kinda the same as your deal 01DangerRanger?

Last edited by ajgsxr; 07-09-2010 at 10:04 PM. Reason: spelling
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  #8  
Old 07-09-2010, 11:26 PM
jkenenski jkenenski is offline
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Default Re: studder/lung on take off

i found a way to see what happens when it jerks.its not engine related. it almost feels like the entire cab shifts on the frame. get a buddy to sit in your truck, start the engine and put it in drive. look at the differential and driveshaft. then, have your buddy do as you would to do a brake stand but dont spin tire, just load the engine up. when the jolt happens you will most like ly see the entire drivetrain tweak foreward. you can also look at the engine when he does this. it looks really bad but if everything moves its hard to tell what the cause is...
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  #9  
Old 07-11-2010, 09:03 AM
01DangerRanger 01DangerRanger is offline
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Default Re: studder/lung on take off

Quote:
Originally Posted by ajgsxr View Post
I have a similar problem, and I don't think its fuel related, cause the engine never stutters. The engine runs smoothly the whole time.
2003 Ford Ranger 4x4 3.0 V6 automatic transmission.

About a few months ago I noticed a kind of jerking when accelerating/decelerating.
For instance, say I'm driving on a flat road at 55 mph and I let off the gas abruptly, its kinda like a jerk, then if I give it gas again abruptly, another jerk.

Or, if I am on a flat road, or especially a hill and I start from a stop after the initial movement forward it will jerk and then a couple seconds later another jerk. But not always a second jerk, and not every time.

It never does this jerking when I am driving down hill, which I find odd.
I thought maybe it could be the rear drive shaft, but the U joints do not seem to have any play. Though when in neutral, with the parking brake on, the whole rear drive shaft does seem to turn about 3/4 of an inch from side to side.

Is this kinda the same as your deal 01DangerRanger?
my does seem like that but not as bad because the only time i feel it is right when i start from a stop. i havent checked my u joints because i wasnt sure how hard it will be to get to them and that was one of my questions. how much do u have to take a part to c if they have any slop?
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  #10  
Old 07-11-2010, 09:09 AM
01DangerRanger 01DangerRanger is offline
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Default Re: studder/lung on take off

Quote:
Originally Posted by jkenenski View Post
i found a way to see what happens when it jerks.its not engine related. it almost feels like the entire cab shifts on the frame. get a buddy to sit in your truck, start the engine and put it in drive. look at the differential and driveshaft. then, have your buddy do as you would to do a brake stand but dont spin tire, just load the engine up. when the jolt happens you will most like ly see the entire drivetrain tweak foreward. you can also look at the engine when he does this. it looks really bad but if everything moves its hard to tell what the cause is...
i never thought about it like that were the cab moves and its a good way of saying it cus it does kinda feel like it. i have done the thing were we put it into drive and also reverse so c how much it moves and in reverse it does one big turn and when we put it into drive it does a small turn than another turn like it sticks or sumthin. i will have to try the power braking idea, thanks
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  #11  
Old 07-11-2010, 11:58 AM
jkenenski jkenenski is offline
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Default Re: studder/lung on take off

i dont think it will be the u joints because if they had play it wouldnt have a second jolt
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2000 RANGER XLT 4X4 OFFROAD
3.0L Flex-Fuel EXTENDED CAB, STEPSIDE BED...
32" BFG all terrains, Stainless handles on side of cab, DeeZee chrome bed box, 2" black Bull Bar with lights, Alpine CDE-100 CD Receiver,
Front speakers-Kicker 07DS680 5"x7"/6"x8"s,
Rear speakers 5"x7" Polk Audio MOMO's in removeable boxes for audio outside the truck.
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  #12  
Old 07-11-2010, 08:55 PM
ajgsxr ajgsxr is offline
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Default Re: studder/lung on take off

Well, I think I have solved the problem, at least so far.

I took my rear drive shaft apart and saw no play in the u joints.
But I did notice some play in the drive shaft itself, the slip yoke.
So I took the drive shaft apart and greased the hell outta the slip yoke, put it back together, and put the boot back on.

After that there was no more play in the shaft slip yoke at all, and I've been driving the truck around today and it has not had that jerking at all.
I hope that's all it was, I was starting to worry it was something big!

Try it out, lube the drive shaft slip yoke real well with chassis grease, and let us know if that was the fix.
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  #13  
Old 07-11-2010, 10:33 PM
Vrod21 Vrod21 is offline
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Default Re: studder/lung on take off

^^^^^YEP YEP YEP!!!! SLIP YOLK.

Spay it with some White Lithium Grease for a temp fix. Then get it re-greased.
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  #14  
Old 07-16-2010, 07:04 PM
ajgsxr ajgsxr is offline
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Default Re: studder/lung on take off

So jkenenski and 01DangerRanger, did you try it? and did it fix the problem?

Greasing the slip joint was all it took for my truck, no problems all week. Put about 500 miles on this week.

Good luck.
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  #15  
Old 07-16-2010, 07:52 PM
01DangerRanger 01DangerRanger is offline
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Default Re: studder/lung on take off

Quote:
Originally Posted by ajgsxr View Post
So jkenenski and 01DangerRanger, did you try it? and did it fix the problem?

Greasing the slip joint was all it took for my truck, no problems all week. Put about 500 miles on this week.

Good luck.
no i havent tryed it yet i was going to but i got to buisy. i will b checking it out monday if i have time. haha i just noticed we have the same name
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