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I have a 88 wrangler 2.5 L its been sitting for awhile got…

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Second opinion] I have a...
Second opinion] I have a 88 wrangler 2.5 L its been sitting for awhile got it running but #3 cyl. has a miss in it pulled the plug it has black soot on it its also running rich compression on the cylinders is highest 112 lowest 101 wondering if it might have some valve issuesJA: How many miles are on the car? Have you noticed any leaks lately?Customer: 150,000 oil leaks on valve coverJA: Are you fixing your Wrangler yourself? What have you tried so far?Customer: yes I am new plugs, wires, dist. cap and rotor checked for vacuum leaks didn't find anyJA: Anything else you want the mechanic to know before I connect you?Customer: just an idea where to go next
Submitted: 7 months ago.Category: Jeep
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Answered in 1 hour by:
12/4/2017
Jeep Mechanic: Chris, Shop Foreman replied 7 months ago
Chris
Chris, Shop Foreman
Category: Jeep
Satisfied Customers: 14,867
Experience: Jeep Certified Master Tech
Verified

Hello and welcome to just answer. That compression is a bit low. Should be at least 125 to 150 or so. Have you performed a "wet" compression test ? If not, try squirting some oil into a cylinder through the spark plug hole and recheck the compression. If it comes up a lot, then you have stuck/worn compression rings. If it does not come up then it is a valve issue. Check that and get back to me.

Chris

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