Gas

Asked by GuruCFJ92 Mar 09, 2019 at 10:55 AM about the 2014 Chevrolet Impala 1LT FWD

Question type: Maintenance & Repair

Car falls dead when gas cap is removed

3 Answers

228,895

So whats the problem? your not suppose to remove the gas cap with the engine running, the fuel vapor control system uses vacuum to keep the vapor under control when you remove the cap you flood the fuel vapor system with fuel vapors and the computer doesn't know where the mixture is coming from so it shuts down the fuel supply. Keep doing this and you can ruin the vapor canister and vapor control valve if you haven't already started damage, time will tell.

54,635

you should have set a code..is the check engine light on?

Your Answer:

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