spudder problem - Jeep Wrangler Forum
Jeep Wrangler Forum

Go Back   Jeep Wrangler Forum > YJ Jeep Wrangler Forum > YJ Tech Forum

Join Wrangler Forum Today


Reply
 
Thread Tools

Please support our sponsors and let them know you heard about them on WranglerForum.com
Old 01-15-2014, 11:52 AM   #1
Jeeper
 
The Silver Gorilla's Avatar
 
Join Date: Jan 2013
Location: Tampa
Posts: 616
spudder problem

After about 15 min of driving my jeep for a sec or 2 will sputter and stop pushing forward. My rpm's don't drop to 0 but it does act as off i let off the gas. Any ideas?

The Silver Gorilla is offline   Quote Quick Reply
Old 01-15-2014, 10:48 PM   #2
Jeeper
 
The Silver Gorilla's Avatar
 
Join Date: Jan 2013
Location: Tampa
Posts: 616
Its acting up bad? could it be the alternator or the belt? i tried starting her up after work and it was having trouble starting up. It was supper slow to even turn over.

The Silver Gorilla is offline   Quote Quick Reply
Old 01-15-2014, 10:56 PM   #3
Jeeper
 
0III0forlife's Avatar
 
Join Date: Mar 2012
Location: Ridgway, Pa.
Posts: 3,170
Not quite enough info to go on bro, year? engine?

If it were a bad alternator or belt, it will most likely have a squealing noise. Could be a vacuum problem, or a choke problem if its carbureted. If its fuel injected I would try a TPS or a MAP sensor 1st.
__________________
'87 YJ, 4.2L built and bored, 8.5" of lift, 8.8 rear, AX15/NP 231, Tom Woods drive shafts, Flat fenders, 12,000LB winch, Custom bumpers, Rattle can paint job. Never completed...
0III0forlife is online now   Quote Quick Reply
Old 01-15-2014, 11:02 PM   #4
Jeeper
 
Cygnus's Avatar
 
Join Date: Jan 2014
Location: City of the Angels
Posts: 52
Low power could cause the injectors to misbehave, Considering the hard start I would first take the battery out at an O'Reilly's and have them check it. You can get a basic idea about your alternator by disconnecting the positive terminal while the motor is running; if it dies, your alternator is not sending juice to the ignition system, and that's bad m-kay?
Cygnus is offline   Quote Quick Reply
Old 01-15-2014, 11:14 PM   #5
Jeeper
 
The Silver Gorilla's Avatar
 
Join Date: Jan 2013
Location: Tampa
Posts: 616
95 sahara straight 6 manual
The Silver Gorilla is offline   Quote Quick Reply
Old 01-16-2014, 09:31 PM   #6
Jeeper
 
The Silver Gorilla's Avatar
 
Join Date: Jan 2013
Location: Tampa
Posts: 616
ok so i fixed the start up problem, my starter was bad and my battery was low. So i replaced them. But my jeep still is trying to sputter while driving it… Going to replace the belt tomorrow and try and find the problem.
The Silver Gorilla is offline   Quote Quick Reply
Old 01-18-2014, 03:31 AM   #7
Jeeper
 
The Silver Gorilla's Avatar
 
Join Date: Jan 2013
Location: Tampa
Posts: 616
IT happening in neutral as well… amy idea what i should look into? the spark plugs look good, just replaced the belt and battery as well…any ideas y'all?? i feel like I'm loosing a bit of power…
The Silver Gorilla is offline   Quote Quick Reply
Old 01-18-2014, 10:55 AM   #8
Supporting Member

WF Supporting Member
 
Join Date: Jan 2014
Location: Southern California
Posts: 82
Fuel pump and/or filter? Sounds like she's starved for gas.
__________________
Michael Larsen
Sunny Southern Taxifornia Denizen

JEEP = Just Empty Every Pocket
Michael_Larsen is offline   Quote Quick Reply
Old 01-18-2014, 11:47 PM   #9
Jeeper
 
The Silver Gorilla's Avatar
 
Join Date: Jan 2013
Location: Tampa
Posts: 616
i did just replace the fuel pump and fuel filter, 7 months ago.
The Silver Gorilla is offline   Quote Quick Reply
Old 01-19-2014, 09:58 PM   #10
Jeeper
 
Join Date: Aug 2011
Location: north of St.Franisville La.
Posts: 2,006
Send a message via Yahoo to Nubby55
If when this happens the engine is still rotating from the wheels pushing it, and the tach goes to O rpms then it is a problem with the ignition system.
If not, and tach reads the same then it should be a fuel problem.
__________________
The Government can not give anything to anybody that it does not first take from someone else !
Nubby55 is offline   Quote Quick Reply
Old 01-19-2014, 10:59 PM   #11
Jeeper
 
Cygnus's Avatar
 
Join Date: Jan 2014
Location: City of the Angels
Posts: 52
Does it sputter when you are turning the wheel by chance?
Brgds,
Cyggie
Cygnus is offline   Quote Quick Reply
Old 01-20-2014, 10:45 AM   #12
Jeeper
 
peety's Avatar
 
Join Date: Feb 2013
Location: Almost a PINEY...
Posts: 225
Try unplugging the O2 sensor(s) and driving it.
P
__________________
Patience and perseverance have a magical affect before which difficulties disappear and obstacles vanish.

John Quincy Adams
peety is offline   Quote Quick Reply
Old 01-20-2014, 11:46 PM   #13
Jeeper
 
The Silver Gorilla's Avatar
 
Join Date: Jan 2013
Location: Tampa
Posts: 616
well I'm running with no 02 sensor right now, due to it being ripped out on a trail, she aint no mall crawler!! HAHA. And no its no specifically happening when I'm turning, its almost always after about 15 min after running. the RPMs are not dropping right to 0, as if the engine suddenly cut out. but more just loosing power to the wheels and then the fps just slow down. Maybe it is a fuel problem but how would i test that? turn on the jeep and test the fuel rail?
The Silver Gorilla is offline   Quote Quick Reply
Old 01-21-2014, 04:29 PM   #14
Jeeper
 
The Silver Gorilla's Avatar
 
Join Date: Jan 2013
Location: Tampa
Posts: 616
So I'm not to sure were to start looking
The Silver Gorilla is offline   Quote Quick Reply
Old 01-21-2014, 09:44 PM   #15
Jeeper
 
The Silver Gorilla's Avatar
 
Join Date: Jan 2013
Location: Tampa
Posts: 616
so I'm going to look into my injectors, how to i go about checking them?
The Silver Gorilla is offline   Quote Quick Reply
Old 01-22-2014, 12:57 PM   #16
Jeeper
 
0III0forlife's Avatar
 
Join Date: Mar 2012
Location: Ridgway, Pa.
Posts: 3,170
The fuel rail has a test port on it, but it requires a fuel pressure test gauge to get a good reading on it.

Injectors...I have never been able to test them, always just took it to a repair shop to have anything like that done. Or replaced if I felt they were the problem, But that's a pricey troubleshooting attempt.

You stated that the fuel filter was replaced 7 months ago....it might be needing a new one. Or maybe try taking it out and dumping it out to see if there is dirt in it.
__________________
'87 YJ, 4.2L built and bored, 8.5" of lift, 8.8 rear, AX15/NP 231, Tom Woods drive shafts, Flat fenders, 12,000LB winch, Custom bumpers, Rattle can paint job. Never completed...
0III0forlife is online now   Quote Quick Reply
Old 01-22-2014, 01:38 PM   #17
Jeeper
 
Join Date: Jan 2010
Location: Las Cruces, NM
Posts: 2,291
Make sure your fuel tank is not creating a vacuum.
__________________
2013 WRANGLER SPORT 2 DR., V-6 ,AUTO,HARD TOP
(Sold)1994 Jeep Wrangler 2.5L, Bestop top
/w steel half door and slider windows
5 speed, 2.5" lift, 31" tires,rack lights
Garyk is offline   Quote Quick Reply
Old 01-22-2014, 02:17 PM   #18
Jeeper
 
smbisig's Avatar
 
Join Date: Jul 2013
Location: Seattle
Posts: 16
I just fixed the same issue. It would sputter when cold. While cold and idling, the RPMs would dip so low that the jeep would almost stall out, but then rev back up. I did a lot of research and decided that it would be either the O2 sensor or the temperature sensor (not gauge sending unit, but the sensor that tells the computer its cold).

I gambled and won. It was the O2 sensor. I swapped it out and the sputter went away.

My Jeep is a 93, 4.0 manual.
__________________
Website - http://www.stevenbisig.com
Facebook - http://fb.com/stevenbisigphotographer
smbisig is offline   Quote Quick Reply
Old 01-22-2014, 03:34 PM   #19
Jeeper
 
ThePhantomPatriot's Avatar
 
Join Date: Jul 2012
Location: Delta, PA
Posts: 259
Def. sounds like O2 sensor. When an O2 sensor goes up you you will be driving with the pedal at held at a constant rate while feeling the engine restrict and then give power continuously. Luckily on YJ's the part is fairly cheap and easy to get to compared to O2 sensors on other cars.
__________________
1995 - 2.5L Low Output Wrongler
ThePhantomPatriot is offline   Quote Quick Reply
Old 01-24-2014, 02:39 PM   #20
Jeeper
 
The Silver Gorilla's Avatar
 
Join Date: Jan 2013
Location: Tampa
Posts: 616
well i have been driving without a 02 since may. But here is the problem, i have the new o2 sensor here, but i fred replacing it but i broke the head off the bolt on the pipe…
The Silver Gorilla is offline   Quote Quick Reply
Old 01-24-2014, 08:24 PM   #21
Jeeper
 
0III0forlife's Avatar
 
Join Date: Mar 2012
Location: Ridgway, Pa.
Posts: 3,170
Then you have to drill it and get an easy-out to get it out of there. That always required me to take the pipe off to perform that task. Since you can't get the drill in there between the pipe and the frame. Its a job...and they make a O2 sensor tap to chase the threads...yeah the damn things have their own thread pattern. The job isn't any fun, that's for sure.
__________________
'87 YJ, 4.2L built and bored, 8.5" of lift, 8.8 rear, AX15/NP 231, Tom Woods drive shafts, Flat fenders, 12,000LB winch, Custom bumpers, Rattle can paint job. Never completed...
0III0forlife is online now   Quote Quick Reply
Old 01-25-2014, 03:16 AM   #22
Jeeper
 
The Silver Gorilla's Avatar
 
Join Date: Jan 2013
Location: Tampa
Posts: 616
what if i just cut out that section of pipe and find a nut that fits, then from that point drill out a hole in the new pipe and weld in the nut that fits that thread of the 02 sensor? a little easier and i have the tools to do that.
The Silver Gorilla is offline   Quote Quick Reply
Old 01-26-2014, 05:24 PM   #23
Jeeper
 
DevilDogSoldier's Avatar
 
Join Date: Jan 2014
Posts: 51
Quote:
Originally Posted by The Silver Gorilla View Post
so I'm going to look into my injectors, how to i go about checking them?
Pull the plug and check the resistance. Don't recall the numbers specifically, but if you check them all, if one is way out of range, you'll know it.
DevilDogSoldier is offline   Quote Quick Reply
Old 02-24-2014, 01:36 PM   #24
Jeeper
 
The Silver Gorilla's Avatar
 
Join Date: Jan 2013
Location: Tampa
Posts: 616
ok so i think i got it to stop,for anyone who has a similar problem, i had to clean of the fps and the housing to it. so far so good.

The Silver Gorilla is offline   Quote Quick Reply
Reply

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Jeep Wrangler Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off




» Network Links
»Jeep Parts
» Featured Product

All times are GMT -5. The time now is 11:25 AM.



Jeep®, Wrangler, Liberty, Wagoneer, Cherokee, and Grand Cherokee are copyrighted and trademarked to Chrysler Motors LLC.
Wranglerforum.com is not in any way associated with the Chrysler Motors LLC