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egr valve
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  1. Noobie Bronco Tech Questions. Flame free zone!
    I have a CODE 33 Verify Vaccum is at EGR Valve, I have been reading the EGR opens when the engine heats up to recirculate exhaust back into the air that goes to the combustion chamber to burn up "bad" air particles. I followed the Tech Manual Pin Point Test Procedures for Code 33. Has vacuum...
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