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Q: how do you replace the fuel tank pressure sensor in a 1998 saturn sl?
on 1998 Saturn SL

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
the car sometimes goes dead when at stop sign or light. codes read bad fuel tank pressure sensor
(1) Answer
codes never identify a bad part just a failed system. the pressure sensor is part of the fuel pump module.
i would have it checked by a shop with a scan tool that can read the voltages under a bay test to verify.
the stalling is not related, that is another issue.

Roy