2005 Chevy Cavalier check engine lite
the light keeps coming on every few weeks. the code says some type of vacumn leak. then went out a day later, changed gas cap. now it is back on after two weeks off. any suggestions.
a gas cap wont fix that because of the evap canister. check in the engine for the vacum lines like the fuel pressure regulator on the injector rail lines, also check the brake booster line rite by the brake resivor
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