I've been trying to clear a code 1443 for the last year. Even thought my mechanic had it licked at one point but the CEL kept coming back. So I started replacing things one at a time. 1st came the rubber tubing the CEL and code came back. 2nd came the vapor canister purge solenoid $26.00 light and CEL came back, 3rd the vapor canister purge valve. That did the trick, I've put over 100 miles on the car and no CEL as a matter of fact I never cleared the code or reset the computer. The CEL just went out on its own after the puter completed a drive cycle. I have a brand new vapor canister if anyone needs one. All parts were bought from
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the prices were decent and shipping was quick.
Dave
96 Rio Red GTS with a few extras