Code 16 and Code 43

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importimage

Senior Member
My car runs for about 15 minutes then I get a code 16 and code 43 come up.
I recently had my main relay re-soldered, fuel injectors cleaned and new fuel filter installed. I thought that these checks and replacements would rid of these annoying codes.

-I am going to change my O2 Sensor.
-I have not checked the fuel pump....but it should be good. It is a Holly.

Does anyone else have any ideas??????
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turn the key to on, but not turn the car over. listn closely, and you should hear the pump turn on under the rear seat.
 
When I turn the car on Ac, I do hear the pump turn on. Does this indicate that the pump is good? I have heard some people talking about a fuse for the fuel pump. Where is this fuse??? or do they mean the main relay (Not a fuse)?
 
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