Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1243 Information for specific makes
P1243 ACURA
P1243 BUICK
P1243 CADILLAC
P1243 CHEVROLET
P1243 FORD
P1243 GMC
P1243 BUICK
P1243 CADILLAC
P1243 CHEVROLET
P1243 FORD
P1243 GMC