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tom m
Lv 5
tom m asked in Cars & TransportationMaintenance & Repairs · 1 decade ago

2003 Chevy 4.3 130,000 miles check engine light code reads vacuum leak where do I start?

2 Answers

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  • Anonymous
    1 decade ago
    Favorite Answer

    First off open your hood and crank your car and just listen you should be able to hear it it will sound like a hiss sometimes you might have to feel around but make sure you touch every vacuum line then you replace it turn the check engine light off and there you go

    Source(s): ASE Certified Master Automobile mechanic
  • Ford_Craney
    Lv 7
    1 decade ago

    Gas cap, vapor canister,all your vacuum lines under the hood.

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