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Q:

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

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
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
(1) Answer
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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
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