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Monday, March 25, 2013

emisions issue 01 grand marquis


Narrowed down to evap system under gas tank I can hear a steady buzz sounds exactly like a vacuum leak. Talking with ford there isnt a vacuuming system its got a charcoal box or canister and a purge solenoid, not sure if I can eliminate one or the other based on that noise alone


I guess I should do some more diagnostics to see if I get any codes before I go tearing into this thing. What do you think?

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