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Old 10-13-2013, 06:16 PM   #1
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do not buy after market fuel cap

hey guys,

i just wanted to warn you all not to buy aftermarket fuel cap. my fuel cap failed the emission inspection exam, so i was forced to buy one in order to pass. i bought one at the local autozone. however, a few days later, i got a cel. p0455. after playing around, research, clearing cel multiple times, i finally realized that the only thing that fixed it was an OEM fuel cap.

so just letting you guys know so that you don't go through the same stress that i did.

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Old 10-13-2013, 09:09 PM   #2
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Yup, the fuel systems are very fickle. I remember I bought an aluminum cap specifically with Boxster etched in it and even that did not work! OEM seems to be the victor in this case.
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Old 10-14-2013, 06:24 AM   #3
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Anything that cheap should always be OEM. The savings is not worth it.

The only exception I make is for obviously rebranded parts like a MAHLE oil/air filter where the "generic" is still made in Germany.
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Old 10-15-2013, 07:45 PM   #4
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I had a P0455 as well. I gambled on the cap from Pelican parts and it has worked well so far (700 miles since the change)

2000 Boxster S
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