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C5 Corvettes, 1997 - 2004
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PO442 code

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PO442 code

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Old

Aug 31, 2017 | 04:56 PM

#1

eagertolearn

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PO442 code

2004 vert. got PO442 code. gas cap I believe. code won't reset in the dic and check engine light is still on. suggestions??

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Old

Sep 1, 2017 | 12:49 PM

#2

rrwirsi

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From: Havre de Grace Maryland

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Quote:

Originally Posted by eagertolearn

2004 vert. got PO442 code. gas cap I believe. code won't reset in the dic and check engine light is still on. suggestions??

I had a the same code several days after filling with gas. After the forum suggest it may be just the cap, I removed and cleaned the cap and put some silicone spray on the seal. I have not had the code return for over 2 years.

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