Mechanics

FORD F-150 AIR FILTER PROBLEM

2002 Ford F-150 • 85,000 miles

Getting Code P0174 Lean Bank 2 Only.
Cleaned MAF, replaced fuel and air filter, no vacuum leaks.
IDLE CONDITIONS scanner data:
STFT BANK 1 (-4.5 TO 3.1)
STFT BANK 2 (-3.9 TO 2.3)
LTFT BANK 1 ( STEADY AT 1.6)
LTFT BANK 2 ( STEADY AT 9.4)
O2 BANK 1 #1 (.1 TO.7)
O2 BANK 2 #1 (.1 TO.7)
O2 BANK 1 #2 (.7 TO.8)
O2 BANK 2 #2 (.7 TO, 8)

Upon starting from cold condition both LTFT were at 25, then settled to values above.

Any ideas on whats wrong or what to check?
Avatar
Guest
December 10, 2012.



Check fuel pressureshold be 28-45 psi and hold 35-45 for at lest 5 minutes

Hmac300
Dec 10, 2012.