PO104 is generic, -never heard of that one coming up on a Ford, but it's -
Mass/Volume Air Flow Circuit~Intermittent
Sounds like the MAF sensor to me and yes , you'll have all kinds of starting/shifting and drivability issues if that's happening.
A 401? . If that's the case, punch PO401 into the search bar on this site for a wealth of information, pictures, diagrams,video and instruction. :thumbsup:
Next step is to replace your problem = Maf Sensor
uilt 5.4L, E
ransgo kit, 9
ear gear, B
rembo rotors, C
orted & P
ace setter L
agnaflow 20X9X2.5 H
ype 3 19lb I
Compression Testing Procedure
Last edited by jbrew; 10-21-2009 at 08:36 PM.