1.)  Hold both buttons down until you see ‘PROGRAM’. Tap the ‘Step’ button until you see ‘END Y’.

2.) Hold both buttons down again until you see ‘FAC LIM’.

3.) Tap the ‘Step’ button until you see ‘CARB? N’.

4.) Tap ‘LF’ button to change the ‘N’ to a ‘Y’. (ex: CARB? Y) Tap ‘Step’ again.

5.) You will see ‘CARB F = 1’. Tap the LF to choose #3 -highest filter.

6.) Tap ‘Step’ to ’END Y’.  Tap ‘Step’ one more time to get out of ‘FAC LIM’ mode.

 

B.) Also could be air in lines/leaking Selector Valve.

 

C.) Make sure there are no 90-degree fittings within 4” of the inlet/outlet side of the transducer. Cavitations in the transducer will result in inaccurate readings.

 

D.) That FF/Transducer plug connections/crimps are good.

 

E.) FF harness is not routed with ignition wire, spark plug leads or cabin heat wiring.