Last night I experienced what sounds like my gas tank expanding, making metal "popping" noises. I stopped to fill up and upon unscrewing the gas cap, there was an absurd amount of pressure that was relieved. It hissed for a good 2-3 seconds, which it's never done before.
I just had the fuel pump replaced about 1000 miles ago, and since I have this new job with a company truck to take home, I maybe drive my car 300 miles a month, usually just on the weekends.
Also, my CEL is on, haven't had it scanned yet.
No driveablity issues, everything seems normal.
High Fuel Tank Pressure?
- CJCroel
- SSEi Member

- Posts: 159
- Joined: Thu May 22, 2008 1:25 am
- Year and Trim: 2006 Grand Prix GT
- Location: Dallas, TX
High Fuel Tank Pressure?
-Chris
2006 Grand Prix GT
Sport Red Met. - L32 Supercharged, Tint, Leather, Heated/Power Seats, Remote Start/Keyless, Dual Climate Control, 17" wheels, 70k miles. Mods to come.
1997 Bonneville SE *Sold*
Dark Yellow-Green Met. - Tint (35% front, 5% rear) - CAI - Aftermarket Keyless/Remote Start - Disabled DRLs - Belden Wires, TR55 plugs - Cleared Corners - Silverstars - 190,591 miles when sold
2006 Grand Prix GT
Sport Red Met. - L32 Supercharged, Tint, Leather, Heated/Power Seats, Remote Start/Keyless, Dual Climate Control, 17" wheels, 70k miles. Mods to come.
1997 Bonneville SE *Sold*
Dark Yellow-Green Met. - Tint (35% front, 5% rear) - CAI - Aftermarket Keyless/Remote Start - Disabled DRLs - Belden Wires, TR55 plugs - Cleared Corners - Silverstars - 190,591 miles when sold
- Mechanical Mike
- Retired Gearhead

- Posts: 3606
- Joined: Tue May 20, 2008 4:34 pm
- Year and Trim: 99 SSEi
- Location: Buffalo New York
- CJCroel
- SSEi Member

- Posts: 159
- Joined: Thu May 22, 2008 1:25 am
- Year and Trim: 2006 Grand Prix GT
- Location: Dallas, TX
Re: High Fuel Tank Pressure?
pretty sure it was pressure, but i'll double check next time i drive it
-Chris
2006 Grand Prix GT
Sport Red Met. - L32 Supercharged, Tint, Leather, Heated/Power Seats, Remote Start/Keyless, Dual Climate Control, 17" wheels, 70k miles. Mods to come.
1997 Bonneville SE *Sold*
Dark Yellow-Green Met. - Tint (35% front, 5% rear) - CAI - Aftermarket Keyless/Remote Start - Disabled DRLs - Belden Wires, TR55 plugs - Cleared Corners - Silverstars - 190,591 miles when sold
2006 Grand Prix GT
Sport Red Met. - L32 Supercharged, Tint, Leather, Heated/Power Seats, Remote Start/Keyless, Dual Climate Control, 17" wheels, 70k miles. Mods to come.
1997 Bonneville SE *Sold*
Dark Yellow-Green Met. - Tint (35% front, 5% rear) - CAI - Aftermarket Keyless/Remote Start - Disabled DRLs - Belden Wires, TR55 plugs - Cleared Corners - Silverstars - 190,591 miles when sold

