FORD OBD1 CODES CODE 54

Replaced Iat As Had Code 54. Now Still Have Code 54 Plus Code 98. Dose It Matter If The Iat I Took Out Was Metal And The One I Put Back Was...

Where Is The Iat Sensor On A 1989 E150 With A 4.9 Engine. Bought One At Parts Store And Can Not Find Anything That Looks Like It. No Place...

Enter Your Question.91 With 4.9 Gives Code 54, But Iat Tests Good And 4.5 Volts Is Being Supplied And Connection Seems Good. Code 81 Also...