![Amazon.com: Replacement Fuel Tank Gas Cap - Compatible with Chevy, GMC, Cadillac & More - Enclave, Escalade, Avalanche, Silverado, Sierra, Yukon, Suburban, Tahoe, Traverse - Replaces GT330, 20915842 : Everything Else Amazon.com: Replacement Fuel Tank Gas Cap - Compatible with Chevy, GMC, Cadillac & More - Enclave, Escalade, Avalanche, Silverado, Sierra, Yukon, Suburban, Tahoe, Traverse - Replaces GT330, 20915842 : Everything Else](https://m.media-amazon.com/images/I/C1g8D1tozqS._UX250_.jpg)
Amazon.com: Replacement Fuel Tank Gas Cap - Compatible with Chevy, GMC, Cadillac & More - Enclave, Escalade, Avalanche, Silverado, Sierra, Yukon, Suburban, Tahoe, Traverse - Replaces GT330, 20915842 : Everything Else
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Do you guys think I need new gas cap? Getting code P0456, trying the small things first : r/MechanicAdvice
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