Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1694 Information for specific makes
P1694 BUICK
P1694 CADILLAC
P1694 CHEVROLET
P1694 DODGE
P1694 GMC
P1694 HYUNDAI
P1694 CADILLAC
P1694 CHEVROLET
P1694 DODGE
P1694 GMC
P1694 HYUNDAI