Troubleshooting the O2 Sensor on a 2004 Jeep Grand Cherokee 4.0L for a P0051 code.
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- Опубликовано: 8 сен 2024
- Had to replace the O2 sensor on a 2004 Cherokee after the heater circuit failed. This can be done from the top of the engine.
Upstream Downstream O2 Sensor for 2004 Grand Cherokee 4.0L
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O2 Sensor Socket
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Fluke Multimeter
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Thanx for the excellent video. I just switched to a different WJ with CA emissions. Glad to see I didn't have to crawl around to replace the upstream sensors. Thanx again!!
Dude. Thank you so much for making this video!
Thanks for the video, it helped a lot!
Yes I enjoyed your video and O2 sensors very informative
I have an 03 Jeep Grand Cherokee. It shows The P0051 code heated heater malfunction for upstream sensor on the back 3 banks. Have replaced it 3 times I'm still getting the same code have checked the sensors I get anywhere from 3.5 to 4.5 OMS Have checked the PCS connection to it on the 2 white wires anywhere from 12.5 to 12.85 V. Any other issues that could cause this very frustrated. Any and all information would be great. PS it is a 4.0
Its the 02sensor fuse in the fuse box
I have a 2004 jeep grand Jeep Cherokee can you talk about the vacuum lines and the manual levers To move the air through the vents all vents all my actual years are good and blender is good can’t find the problem this is a Laredo 4.0
My code is P159, can anybody tell me what sensor is this?
It means the O2 senor is getting lazy or slow to change its value. The O2 sensor needs to be replaced.
Replace vacuum lines today car isn't accelerating right still what could be the problem
Some purchase link of the 4 sensors for the Jeep grand Cherokee 2004 In Amazon I am from Mexico greetings.
What make the car not to start after its works for an hour
How do you differentiate which O2 sensor goes to bank 1 or 2
The front 3 cylinders are bank 1 and the rear 3 are bank 2.
Where is sensor 2 bank 2?
It is downstream of the catalytic converter that is on the rear part of the exhaust manifold.
@@737mechanic Thank you so much!!!👌
2004-2012 4.0 ?
4.0 ended in 2004 for the grand cherokee
Did I say in the video 2004 to 2012?
@@737mechanic it was on the deacription. Where are you working on 737s at?
@@justinbouy3153 Dallas
@@737mechanic that’s cool. I work at Delta over in ATL
@@justinbouy3153 I interviewed for Delta back in 1990, but I didn't get the job. I am glad now because I work for Southwest closer to where I am from so it all worked out.