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Re: Fuel tank pressure sensor
My truck is a 1999 GMC Sierra SLT with the 5.3L engine extended cab 4 wheel drive. I was able to replace the fuel tank pressure sensor without dropping the fuel tank. I have a 4 post lift which helped me figure out how to get at it. I dropped the drive shaft at the rear but didn't remove it and held it off to the side with a rubber strap. I was able to see the sensor once I got the right height support to stand on. You can pull it out by hand and pry with a thin blade screwdriver if necessary. I left it connected so I could grab the connector and swap it to the new sensor. The job could be done in 1 hour if the drive shaft comes down without problems. I had to soak the u joint bearing caps to get it to release and move forward toward the trans. I hope this helps someone else with the same problem. ;-)
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