audi a4 b7 check engine code emission how to fix
#2
Some one said it could be the gas cap but i looked at it and it looks in great shape!Has anyone come accrosss this propblem and had it fixed or might know what it could be .
#3
AudiWorld Senior Member
If it came on because the gas cap hadn't been clicked shut, it'll take two or three starts at least before it clears itself. Give it a couple of days and see what happens. Are there any misfires or other symptoms?
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