P0171-Fuel System 1/1 Lean; P0174-Fuel System 2/1 Lean - Chrysler Sebring 2005 Service Manual

S y m p to m Lis t:
P 0171-F U EL S YS TEM 1/1 LEAN
P 0174-F U EL S YS TEM 2/1 LEAN
Te s t N o te : All s y m p to m s lis te d a bo v e a re d ia g n o s e d u s in g th e s a m e te s ts .
Th e title fo r th e te s ts w ill be P 0171-F U EL S YS TEM 1/1 LEAN .
Wh e n Mo n ito re d a n d S e t Co n d itio n :
P 0171-F U EL S YS TEM 1/1 LEAN
Wh en Mon it or ed: Wit h t h e en gin e r u n n in g in closed loop m ode, t h e a m bien t /ba t t er y
t em per a t u r e a bove 20°F (-7C) a n d a lt it u de below 8500 ft .
Set Con dit ion : If t h e P CM m u lt iplies sh or t t er m com pen sa t ion by lon g t er m a da pt ive a n d
a cer t a in per cen t a ge is exceeded for t wo t r ips, a fr eeze fr a m e is st or ed, t h e MIL illu m in a t es
a n d a t r ou ble code is st or ed.
P 0174-F U EL S YS TEM 2/1 LEAN
Wh en Mon it or ed: Wit h t h e en gin e r u n n in g in closed loop m ode, t h e a m bien t /ba t t er y
t em per a t u r e a bove (-7°C)20°F, a lt it u de below 8500 ft a n d fu el level gr ea t er t h a n 15%.
Set Con dit ion : If t h e P CM m u lt iplies sh or t t er m com pen sa t ion by lon g t er m a da pt ive a n d
a cer t a in per cen t a ge is exceeded for t wo t r ips, a fr eeze fr a m e is st or ed, t h e MIL illu m in a t es
a n d a t r ou ble code is st or ed.
GOOD TRIP E QUAL TO ZE RO
RE STRICTE D F UE L SUP P LY LINE
F UE L P UMP INLE T STRAINE R P LUGGE D
F UE L P UMP MODULE
O2 SE NSOR
O2 SIGNAL CIRCUIT
O2 RE TURN CIRCUIT
O2 SE NSOR H E ATE R OP E RATION
TH ROTTLE P OSITION SE NSOR SWE E P
MAP SE NSOR OP E RATION
E CT SE NSOR OP E RATION
E NGINE ME CH ANICAL P ROBLE M
F UE L CONTAMINATION/E XH AUST LE AK
P OS S IB LE CAU S ES
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DRI V EABI LI T Y - N GC