Engine Identification - Off-Road Forums & Discussion Groups
Jeep-Short Wheelbase All discussion of short wheelbase Jeeps: CJ, TJ, YJ and JK

 
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post #1 of (permalink) Old 03-27-2000, 03:48 PM Thread Starter
 
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Engine Identification

I'm looking at buying an 87 YJ that i've been told has had a '91 cherokee 4L put in. How can i check to make sure that it is in fact a '91 4L? I'm not very good with engines, and telling what they are by looks. As well how does a good '91 4L sound and feel when running? i checked out an older 90's cherokee awhile back, and its engine ran similar to this YJ's, but both kind of had a slight sputter when giving it a good amount of gas from a stop. They just weren't as smooth as i expected. Is this common for these engines? or have i come across 2 similar engines not functioning properly? Any info is much appreciated!

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post #2 of (permalink) Old 03-27-2000, 03:53 PM
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Re: Engine Identification

One thing to look for is it will be fuel injected unlike the 4.2L.

post #3 of (permalink) Old 03-27-2000, 10:55 PM
Wrangler88
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Re: Engine Identification

well basicly just check the number of spark plugs to make sure it has 6 and make sure its got fuel injectors and no carbarator on it, other than that its gotta be 4.0L unless someone put the MPI kit on a 4.2, eitherway as long as it runs good and doesn't leak and stuff the usual id say it would be.

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1995 Wrangler 2.5L w/ 5spd Manual-dixie horn
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