MY NAME IS FRANCOIS AND I HAD TO SOLVE A RICH EXHAUST PROBLEM ON A OLDS CIARA CLASSIC CAR. AFTER A ROUTINE TUNE UP AND EXTENSIVE DIAGNOSTICS WE HAD TO TAKE THE FUEL SYSTEM APART. AFTER A BALANCE TEST AND MEASURING ALL SENSORS FOR ACCURACY WE TOOK THE CAR FOR A ROAD TEST TO FIND A POOR PERFORMANCE OVER 60 M.P.H. AND AGAIN A RICH AIR GAS MIXTURE .BACK IN THE SHOP , WE REMOVED THE AIR INLET TUBE NEAR THE RADIATOR AND FOUND A RESTRICTION ...THE THING WAS FULL OF NUTS, NO NO DOUBTS THIS WAS A LOCAL SQUIRREL'S'S WINTER PROVISION AND AN UNUSUAL PROCEDURE ...REMOVE NUTS TO CORRECT FUEL INJECTION PROBLEM.

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