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hello, can you tell me if the faulty fuel gauge sensor is involved for code 306? I have a '02 chevy venture van, I repaired coil pack, wires, and brand new plugs, and a vacuum hose to gas tank, the engine seems to run without a miss at all, my code possibilities says all those or fuel pump or fuel injectors, I'm leaning to fuel gauge sensor as the fuel gauge does not work properly, am I right? looking forward to your input on this, thank you for your service, best regards, greg.


   
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if the code you are talking about is P0306 that says you have a misfire in cylinder #6, no I don't think that your fuel gauge sender will cause that code. I don't see how only one particular cylinder would misfire because you fuel sender is inaccurate. Now that being said, stranger things have happened. If the injector wiring and the fuel sender wiring were somehow shorted or rubbed through somewhere together it might be possible they both would act up at the same time...

depending on the scanner you are using, see if you have a misfire counter so you can actually look for the misfire. see when it is acting up. if your scanner has the misfire counter ability you should graph the misfires on all the cylinders while you sit at idle then go for a drive and see if you can see when and under what conditions you have a miss.


   
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