My Subie - Car Troubleshooting


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My Subie

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SongOfTheSeasons
New User

Aug 30, 2008, 4:32 PM

Post #1 of 3 (1762 views)

My Subie	Sign In

I have a...
1999
Subaru
Legacy GT Limited
2.5 L
Just under 144k miles

My car has seen better days, but it has been well maintained and has plenty of life left. I noticed one day that my check engine light was on. Took my car to the shop the next day and had my baby checked over. We cleaned up and replaced a few of the fluids in the car and got an oil change a week early as well. Still the light was on. No funny noises, no overheating, no unusual shaking. We were at a loss...

A week later when I stopped at the gas station and unscrewed the cap, I saw a label that said "Caution: A loose cap can cause check engine light to turn on". I also noticed a rust patch on the plate that holds the cap. For a moment there I felt like a real jackass. Screwed the cap back on nice and tight... but my light was still on and it stayed like that for another week.

I suspect that the structural defeciencies from the rust patch may have caused my gas cap to not mount properly. Perhaps this bad mounting may have allowed air to leak into my gas tank. Sometimes when I take off after idling (maybe at a stop light) my car sputters in a similar way like it is running out of gas. I am not sure, but perhaps the plate that holds in my gas cap may be leaking air into placers where there should be no air.

My question is... what is the name of the plate that holds the gas cap? Is this scenario common? Where can I go to find this replacement part at a decent price?

Thanks!

dave284
Enthusiast / Moderator

Aug 30, 2008, 5:34 PM

Post #2 of 3 (1758 views)

Re: My Subie	Sign In

Are you meaning the fuel tank filler neck?...or is this part of the body where the filler neck is supported by?

Guest
Anonymous Poster

Sep 1, 2008, 7:15 AM

Post #3 of 3 (1752 views)

Re: My Subie	Sign In

I think that is the part. In addition to the opening to my gas tank, the filler neck has a plate that surrounds the opening which is mounted with screws. That plate is that part that is rusting. But I think I have my answer now. Thanks for the help!

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