compression test

Hello Everyone, I am currently experiencing a misfire issue on my TJ. I have read through the other similar threads here to begin diagnosing and fixing the issue, but with no luck so far. So I have decided to outline my issue as best I can below. Jeep Information: 2006 Jeep Wrangler TJ Sport /...

I just ran a cold compression jeep on my jeep, found compression of 155,150,60,60,120,120 at each cylinder. What does that mean and what is the repair? Background: Bought a 4.0 straight 6, 97' TJ Sport 3 years ago. So far I've replaced the floorplans, replaced 3" lift with 1.5" lift, replaced...

Hi everyone! I just got my first Jeep a few days ago and decided to do a quick tune up. While the plugs were out , I decided to do a compression check on my 2003 6 cylinder 4.0 with 165,000 miles. The readings were a little high and I wondered what you thought this meant for the condition of...

I just performed a compression test on my 2.5 liter TJ (215,000 miles) and I'm looking for clarification regarding the ideal amount of compression cycles to obtain an accurate reading. I'll start by quoting the FSM: 1. Clean the spark plug recesses with compressed air 2. Remove the spark plugs...