There's a how to on this from 2015. Had to really get into the dash but wasn't that difficult.
https://www.jeepkj.com/threads/how-to-replace-hvac-blend-door-actuator.59206/
I would still recommend actually measuring the oil pressure. Those Mopar dummy lights don't tell you much. I had a rod bearing go out in my 02 and it was not a tick. It was a very obvious knock. Eventually it spun and the motor seized.
Low compression on one cylinder to me could be a headgasket...
Yeah I have heard that Jasper are very good but expensive. I've heard good things about these guys too. https://www.powertrainproducts.net/
Unfortunately I have no personal experience.
Unlikely you'll find a new one with both. I've seen Cardone remans and others with the reservoir but no pulley. If you want to take a chance, ebay has many used ones with both.
I'd like to hear what the OP found too. I think the injector is a good possibility although it could just be worn out O2 sensors. Just had that on one of my vehicles. Unfortunately we have emissions testing around me so can't run around with O2 sensors disconnected. I have gutted a few catalytic...
I'd put a half tank of new gas in it and a full can of Berrymans B12 and see if it clears it out.
Edit: Yeah if you got it from auction, it may have sat quite a while and had some questionable gas! If both sets of O2 sensors are now giving the same code, you probably got some debris in there...
A stuck injector could cause this but you usually also get a specific cylinder misfire code, in my experience.
So the P0152 was after you changed the O2 sensors? This an O2 sensor code.
The NTK sensors are the Original Equipment sensors. I wouldn't use any other brand.
How long have you owned this 07? Way back when I had my 02, I had a terrible whine when it got below about 40F. The 02s actually came with power steering fluid from the factory. Apparently the PO added at some point, but used ATF+4. They don't mix well. I flushed the system many times but could...
Alignment is very important! That bleed "jiggle" valve needs to be at 12 o'clock or you can trap air. I know people who used a non-bleed t stat but drilled an 1/8" hole and positioned at 12 o'clock. worked fine.
Good call. Leaky injector could cause your issues with a cylinder specific misfire and those O2 sensor codes. Could also have fouled your O2 sensors even if the injector clears or you replace the injector.
Well if the o2 sensors are original, I'd probably change them all. They aren't too expensive and really have a finite lifetime. One acting up can affect the performance of others. You really can't tell which one is failing unless you can see the voltages. I think they're all narrow band o2 sensors.
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