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What did you do to your jeep today?
If you can get a proper O2 sensor socket that really helps and also removing it when the exhaust is hot helps.- derekj
- Post #23,790
- Forum: KJ General Discussion
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What did you do to your jeep today?
Diagnosed my inop a/c to a faulty low side pressure switch.- derekj
- Post #23,780
- Forum: KJ General Discussion
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Oil on plug. Chasing codes.
I'm sure you would be able to install some used heads - personally I only like doing a job like that once but it is your decision on what route you want to go.- derekj
- Post #41
- Forum: KJ General Discussion
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Oil on plug. Chasing codes.
Only problem with a used motor is you are possibly getting one that could have a potential valve seat issue down the road - I would go with a good set of rebuilt heads.- derekj
- Post #38
- Forum: KJ General Discussion
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Oil on plug. Chasing codes.
shoot :( dropped valve seat makes sense - probably just unplug both and see how it runs.- derekj
- Post #34
- Forum: KJ General Discussion
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Oil on plug. Chasing codes.
It might work - you could also try pressing the valve up and down a bunch of times with a small pry bar before putting the rocker back in to see if you can get it to close all the way. Best way to check would be to remove the exhaust manifold and that way you could try and get in and clean the...- derekj
- Post #30
- Forum: KJ General Discussion
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Oil on plug. Chasing codes.
were you able to compare the valve spring heights to confirm if it is stuck open?- derekj
- Post #27
- Forum: KJ General Discussion
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Oil on plug. Chasing codes.
You really need to determine why there is no compression on that cylinder before ordering more parts - you have to get to the root cause of the problem - just ordering random parts is not going to solve your problem and cost you more money in the long run. Just some advice from a long time...- derekj
- Post #25
- Forum: KJ General Discussion
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Oil on plug. Chasing codes.
The missing rocker would keep the valve closed due to the valve spring pushing up on it - but chances are the valve being stuck open is what caused the rocker to fall off in the first place. In your picture the valve spring looks compressed which means it is more than likely bent or the spring...- derekj
- Post #22
- Forum: KJ General Discussion
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What did you do to your jeep today?
Don’t take this the wrong way but a $1000 for a rough PT that needs an engine is way too much money. They are not an easy car to change an engine on.- derekj
- Post #23,762
- Forum: KJ General Discussion
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Oil on plug. Chasing codes.
Judging by your picture of the plugs at the top of this page I would say #6 is burning oil. Also 1 and 3 look like those cyl's are running rich by how black the plugs are. P0175 is rich bank 2 code which would explain the rough idle and then running ok once the engine gets some more air. I have...- derekj
- Post #14
- Forum: KJ General Discussion
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The 2022 Great Desert Road Trip
Great story!- derekj
- Post #47
- Forum: Serious Offroad Trips, Trail Rides, and Meets
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Check engine light after hard braking
I have seen lots of plugs discolored like that before - some of it is from the additives that get put in gasoline.- derekj
- Post #8
- Forum: KJ General Discussion
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Needing brakes
I have installed a lot of brakes over the years - have been really happy with the premium or ultra premium Napa stuff.- derekj
- Post #11
- Forum: KJ General Discussion
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