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| power loss? http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=1&t=20998 |
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| Author: | jerbacher [ Thu May 24, 2007 10:19 am ] |
| Post subject: | power loss? |
I feel like my KJ doesnt have any power anymore. It seems like I have to give it more gas then I used to for it to go anywhere. Or, I'm just getting used to it or something. Anyway, I'll be sure to get the avg. mpg off the EVIC next time I drive to see if it sucks or not. My question is: The Jeep has almost 78,000 on it. Is there anything I should look for that could be getting worn out that would cause me to loose some hp? |
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| Author: | DarbyWalters [ Thu May 24, 2007 10:27 am ] |
| Post subject: | |
New Plugs...don't believe the 100,000 mile hype...they still fire but are not as good as new! |
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| Author: | jerbacher [ Thu May 24, 2007 11:12 am ] |
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Sounds good! |
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| Author: | valvestem [ Thu May 24, 2007 11:50 am ] |
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Check the rear brakes to make sure they are not dragging, both the regular and ebrake. This is fairly common problem and exhibits the signs you are experienceing. Acceleration from a stop is where it shows the best/worst. |
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| Author: | jerbacher [ Thu May 24, 2007 12:12 pm ] |
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How would I go about checking this? Is there a teltale sign of dragging I should look for. Sorry, I'm not all too knowledgable about this stuff. |
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| Author: | JJsTJ [ Thu May 24, 2007 12:13 pm ] |
| Post subject: | |
New Plugs, good clean air filter (Amsoil EAA201  ), tire pressure.
Any chance the catalytic converter is getting plugged up? I have not heard of that being a problem on a KJ yet but I am sure it is only amatter of time before someone has that problem. |
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| Author: | jerbacher [ Thu May 24, 2007 12:15 pm ] |
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I'll check those things out. Except the catalytic converter... |
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| Author: | hyedipin [ Thu May 24, 2007 12:28 pm ] |
| Post subject: | |
Mine is only at 36k and I feel the same way. I remember when it was still new, a tiny touch on the gas pedal would jump it straight forward right away.. not anymore. I continue to do my 0-60s.. and still the same at 10sec. If it goes over 10 i will freak. 
Ah, and I found that it feels like the energy is out there when I drive in 4x4 Full Time. It feels like things are working as they should, as opposed to 2x4 which feels sloppy and somewhat slower (engine is lazier). |
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| Author: | gopherbeats [ Thu May 24, 2007 12:57 pm ] |
| Post subject: | |
Plugs, air filter, as everyone said before. and Injector cleaner. I use Chevron, with techron.. Good Stuff! |
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| Author: | tjkj2002 [ Thu May 24, 2007 1:00 pm ] |
| Post subject: | |
valvestem wrote: Check the rear brakes to make sure they are not dragging, both the regular and ebrake. This is fairly common problem and exhibits the signs you are experienceing. Acceleration from a stop is where it shows the best/worst. To check if the brakes are dragging,drive around for about 45-60 min,stop and feel the center of the rims.If they are to hot to touch then that brake(s) are dragging.
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| Author: | hyedipin [ Thu May 24, 2007 1:08 pm ] |
| Post subject: | |
gopherbeats wrote: Plugs, air filter, as everyone said before. and Injector cleaner. I use Chevron, with techron.. Good Stuff!
Do you just dump the injector cleaner? Add the fuel injector cleaner to your fuel. The Cat is actually easy to test...drill a small hole just before the Cat and start the vehicle...get a guage to check the pressure...weld up that hole or insert a screw...drill a hole just behind the Cat...check pressure...If there is a big pressure drop the Cat could be clogged. |
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| Author: | spencevans [ Thu May 24, 2007 2:49 pm ] |
| Post subject: | |
 "F37":x Oh wait you don't have a CRD.
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| Author: | jerbacher [ Thu May 24, 2007 2:53 pm ] |
| Post subject: | |
Thanks for all the info. I'll let you know how it turns out. |
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| Author: | FastTRX [ Thu May 24, 2007 11:12 pm ] |
| Post subject: | |
spencevans wrote: :x "F37":x Oh wait you don't have a CRD.
I would avoid that at all costs, but seeing you drive an 05', its probably a good thing to get done. If I had an 06' it'd be a different story. Bad tank of fuel? Every tank is bad for me.....at $3.50 a gallon!   This is where I was wishing I drove a CRD.
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| Author: | jcphoto20 [ Fri May 25, 2007 12:21 am ] |
| Post subject: | |
nothing but chevron gas since new, has never felt like its lost power. as i understand it, its the ones with disc brakes on the back that drag. i have drums. still original pads/shoes at 50K |
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| Author: | SavageUrge [ Fri May 25, 2007 12:44 am ] |
| Post subject: | |
I would check the brakes first, however, at 70,000+ miles it would be sound advice to replace all your gear fluids, spark plugs, air filter etc. Ask a mechanic that you trust to do a compression test on all your cylinders as well. It's possible that you may have an upper cylinder leak or a bad head gasket. Go in order of cost so you don't need to spend exhorbitant amounts of money just to find out your gas cap was loose 
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| Author: | hyedipin [ Fri May 25, 2007 9:02 am ] |
| Post subject: | |
Also, when the A/C is on, I feel like all the engine power is getting sucked up by the A/C... Does anyone else feel the same way? |
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| Author: | Dje Ryu [ Fri May 25, 2007 9:18 am ] |
| Post subject: | |
Mine has always felt more sluggish with a/c on. It seems like I actually get better mileage with all the windows down than with them up and the a/c running. |
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| Author: | hyedipin [ Fri May 25, 2007 9:28 am ] |
| Post subject: | |
Dje Ryu wrote: Mine has always felt more sluggish with a/c on. It seems like I actually get better mileage with all the windows down than with them up and the a/c running.
That was me, yesterday. But the howling wind at 60mph made me dizzy so I had to turn on the A/C.
Plus the heat does not escape from the KJ.. It could be due to the windhsield, I got no shade/tint, so the sun is hitting me real good and making it a lot hotter than it is supposed to be inside. |
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| Author: | SavageUrge [ Fri May 25, 2007 2:59 pm ] |
| Post subject: | |
It's perfectly normal to have a little power loss while running the A/C because it runs off the motor, and uses quite a bit of power. However, these days A/C units are a lot more efficient and running them will not use too much more gas than having the windows down. |
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