February 24, 20242 yr 99 Legacy SUS. 2.5D. Revs go up and down after filling up on gas. Usually get premium from Shell. Have read a little bit about this seems to point at vapor canister, purge valve, or maybe gas cap. Any help is appreciated 👍
March 3, 20242 yr Author Anybody have any insight? Don't want to get stranded someday after getting gas. Problem has been getting a bit worse.
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