04 Grand Cherokee O2 Sensor
#1
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Join Date: Aug 2013
Location: Rhode Island
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Year: 2004
Model: Grand Cherokee
Engine: 4.0 Liter
04 Grand Cherokee O2 Sensor
The check engine light came on in my GC, then when the weather was warmer and it ran better, the light went off. This has happened a few times during the winter. Went to Autozone to have the code checked out. It came back with defective sensor 1. The guy behind the counter could not tell me which one was sensor 1. Any help would be appreciated.
Thanks.
Thanks.
#2
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Join Date: Oct 2010
Location: Muskegon, MI
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Year: I've had a few...
Model: Cherokee
Engine: A secret
http://www.wjjeeps.com/oxygen.htm
If it's the 4.0l, I have the same problem and I've been ignoring it for the past year.
as of recently my MPGs have dropped to about 12... so I just ordered http://www.rockauto.com/catalog/more...692&cc=1420737
If it's the 4.0l, I have the same problem and I've been ignoring it for the past year.
as of recently my MPGs have dropped to about 12... so I just ordered http://www.rockauto.com/catalog/more...692&cc=1420737
#3
Old fart with a wrench
Rhode Island, huh? I grew up in Warwick. I left RI after my Navy tour. I still miss still mornings on the bay.
My 2000 WJ 4.0 is supposed to have 2 upstream sensors, but I haven't looked yet. I imagine they are the same part number. If you've got the 4.7, I can't help you because I haven't even seen a 4.7 yet.
My 2000 WJ 4.0 is supposed to have 2 upstream sensors, but I haven't looked yet. I imagine they are the same part number. If you've got the 4.7, I can't help you because I haven't even seen a 4.7 yet.
#4
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Join Date: Aug 2013
Location: Rhode Island
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Year: 2004
Model: Grand Cherokee
Engine: 4.0 Liter
Dave, I have the 4.0, Adam, my mileage has dropped too, and just yesterday, the check engine light went off, go figure! I'm at the point that I'm about to change all of them, and not have to worry about any of them.
Pete.
Pete.
#5
We carry new O2 sensors on our website with FREE SHIPPING. Here's a link to them for your 04 Grand Cherokee if you would like to see what we have. http://www.1aauto.com/1A/oxygen-sens...ampaign=1ATony
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Katt Dogg
Stock Grand Cherokee Tech. All ZJ/WJ/WK Non-modified/stock questions go here!
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