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Hello all
I am in need of some help. Any info/advice is greatly appreciated. I have a 2004 model with the 24v dohc 3.0 liter. The problem I’m having is the fuel system. It’s running rough but not sending any codes. I plugged my scanner in and in live mode I get an open loop fault for the fuel system... but I’m not getting anything from the O2 sensors. I cleaned the MAF sensor and it ran better for a while, but then it went back to running rough. I replaced that sensor but it’s still not running right. Should I start replacing O2 sensors? Is there something else to check? Am I missing something?
One other thing, it sat for quite a while before the issue started. It sat for a few months between cleaning the MAF sensor and putting a new one in. All the spark plugs and coils have been replaced. And all the injectors are clear and working correctly.
 
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