Jeepz.com - The ultimate Jeep and offroad site.
Go Back   Jeepz.com > Jeep Articles, Guides, and Reviews > Jeep Tech > Engine
This section Sponsored By
Jeepz.com, the Ultimate Jeep and Offroad Message Board - Welcome Register today!
Comment
 
LinkBack Article Tools Display Modes
Four Cylinder 2.5Liter Jeep engine Specs
Four Cylinder 2.5Liter Jeep engine Specs
All Jeeps with the 2.5Liter engine
Published by TerryMason
11-18-2005
Four Cylinder 2.5Liter Jeep engine Specs

AMC first introduced the inline 4 2.5L engine back in 1984. Back then, the engine was carbureted, but at the engine matured fuel injection was introduced. This engine was used on Wrangler TJ, Cherokee XJ, and Wrangler YJ.
  #1 (permalink)  
By TerryMason on 01-27-2008, 11:39 AM
Four Cylinder 2.5Liter Jeep engine Specs - Technicals

This applies to the 1984 through 2002 AMC four cylinder.

Displacement150 cubic
inches
Cylinder numbers (front
to rear)
1-2-3-4
Firing order1-3-4-2
Spark Plug gap0.033 to 0.038
Ignition timing9 to 11 degrees
Idle speed (auto)600 +/- 70 rpm

(manual)




680 +/- 70 rpm
Engine oilAPI SE of SF
- Oil capacity4qts
Automatic Transmission
Fluid
Mercon ATF
- ATF Capacity4qts
Last edited by TerryMason; 10-20-2009 at 11:55 AM..
Reply With Quote
  #2 (permalink)  
By 98Chero on 09-12-2009, 07:56 PM
Re: Four Cylinder 2.5Liter Jeep engine Specs

what should be the compression reading in lbs per cylinder for a engine with low miles.
Reply With Quote
  #3 (permalink)  
By Clarks Jeepn on 10-20-2009, 10:42 AM
Re: Four Cylinder 2.5Liter Jeep engine Specs

That says engione oil capacity 4 quarts. must not be including the filter. mine take five quarts to reach the full line on the dip stick.
Reply With Quote
  #4 (permalink)  
By TerryMason on 10-20-2009, 11:55 AM
Re: Four Cylinder 2.5Liter Jeep engine Specs

Clark - what year is your Jeep? Is it after 2002?
Reply With Quote
  #5 (permalink)  
By Clarks Jeepn on 10-21-2009, 07:21 AM
Re: Four Cylinder 2.5Liter Jeep engine Specs

Quote:
Originally Posted by TerryMason View Post
Clark - what year is your Jeep? Is it after 2002?
Nope, 1990 2.5L 5sp manual
Reply With Quote
Comment


Article Tools
Display Modes

Posting Rules
You may not post new threads
You may not 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 On
Trackbacks are On
Pingbacks are On
Refbacks are On





All times are GMT -5. The time now is 07:35 PM.


 Subscribe to our RSS feed   |   View Jeepz.com on your Iphone