1999 GMC Jimmy Q&A

1999 GMC Jimmy Question: Po452 code how or what do I have to fix or change

Code came after I replaced the intake manifold gasket i erase the code but comes back on in mins runs good but when starting I have to crack more then once I also just gave it a tune up but code still comes up any help thanks -
Answer 1
you have a code for a fuel tank pressure senor OR circuit issue. the sensor is on top of the fuel tank in fuel sending unit. you may just have a circuit issue seek diag and est -