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Question
dlstewart01
Started the 2005 GMC this morning and the fuel gage did not work and a low fuel message came on. When I parked it last night it had a half tank of fuel. The check engine light was also on.
I pulled the code and it came up P0452. Thats for a fuel tank pressure sensor. The truck runs normal. I drove it for about 5 miles with no issues.
I have not got into it yet but since the fuel gage is not working as well do you think I need the fuel pump/sending unit or just the pressure sensor? The pressure sensor is mounted on the pump unit.
Could be a wiring/ ground problem. I think both of them may share some same wiring. What do the experts say.
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