Sluggish accelleration 94 YJ - JeepForum.com
Search  
Sign Up   Today's Posts
User: Pass: Remember?
Advertise Here
Jeep Home Jeep Forum Jeep Classifieds Jeep Registry JeepSpace Jeep Reviews Jeep Gallery Jeep Clubs Jeep Groups Jeep Videos Jeep Events Jeep Articles
Go Back JeepForum.com > Models > Jeep Wrangler Forums > YJ Wrangler Technical Forum > Sluggish accelleration 94 YJ

Year End Clearance Sale! Save 20%Santa Kolak Announces: Kolak Exhaust 20% Off Sale!ROCK BOTTOM prices on LIFT KITS at Rockridge4wd!! WANT TO

Reply
Unread 01-26-2002, 06:51 PM   #1
WranglerYJ94
Registered User
 
Join Date: Jan 2002
Location: Charlotte (Matthews), NC
Posts: 209
Sluggish accelleration 94 YJ

I've got a 94 YJ manual 5spd transmission, owner before me blew the original engine and replaced it with a 2.0 I believe. When im stoppped at red lights, i put her in 1st gear and it feels like im dragging a load behind me, like im pulling a trailer or something heavy, then once the RPM's hit about 3000-3200 you can feel the power kick in and it raeally hauls *** then. but under 3000 rpms i have no power whatsoever. i tried the fuel injecter cleaners that u put in the gas tank with no help. anyone got any ideas what i might do to gimme some MORE POWER!?
THanks,
John
Charlotte NC

__________________
'94 YJ
2" BDS
31s
Flowmaster exhaust
Lights
Lotsa 'stuff'
WranglerYJ94 is offline   Reply With Quote Quick reply to this message
Unread 01-26-2002, 07:24 PM   #2
Brendan
Registered User
 
Join Date: Sep 2001
Location: FL
Posts: 162
If you have a 2.0 Liter engine that really hauls *** at about 3000 RPM is sounds like you have a turbocharger. that isn't definate, but if you the power surges at a certain RPM, then I would definately check your exhaust manifold to see if there is a turbo there, with a pipe leading either to an intercooler (a radiator type thing in the front of the engine bay) or straight to the intake manifold. Either way, if you want more acceleratoin from this engine, your screwed. There are little accesories that will give you almost 20 Hp but nothing major.
__________________
Duvie

95 YJ 2.5L 5 Speed

Fightin a war against Florida Rust!
Brendan is offline   Reply With Quote Quick reply to this message
Unread 01-27-2002, 01:24 AM   #3
rollinashortysahara
Registered User
 
Join Date: Jan 2002
Location: raleigh & charlotte
Posts: 449
surges in power on a fuel injected jeep are normaly caused by the notoriously poor manifold air pressure sensor also known as map sensor. it controls fuel / air mixture
supposedly adjusting for ambient air pressure but mine in a 94 4.0 sahara causes a drop in power around 2700 rpm in hard acceleration and a large jump in power about 3000 rpm.
http://www.turbocity.com/JeepStagePowerKits.htm has a kit to fix the problem
p.s. a turbo on a jeep would be golden but i don't know of a factory one ever built and the only turbo kit i do know of is also at this same web site.
rollinashortysahara is offline   Reply With Quote Quick reply to this message
Unread 01-27-2002, 01:28 AM   #4
rollinashortysahara
Registered User
 
Join Date: Jan 2002
Location: raleigh & charlotte
Posts: 449
http://www.turbocity.com/jeep_parts_list1.htm

better discripton of the "rock-it map adjuser"
rollinashortysahara is offline   Reply With Quote Quick reply to this message
Reply

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the JeepForum.com forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid e-mail address for yourself.
Note: All free e-mails have been banned due to mis-use. (Yahoo, Gmail, Hotmail, etc.)
Don't have a non-free e-mail address? Click here for a solution: Manual Account Creation
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


Suggested Threads





Jeep, Wrangler, Cherokee, Grand Cherokee, and other models are copyrighted and trademarked to Jeep/Chrysler Corporation. JeepForum.com is not in any way associated with Jeep or the Chrysler Corp.