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2002 Ford Focus have 2 OBD codes. 1-P0191 &P2196

Tiny
KALEIO9819
  • MEMBER
  • 2002 FORD FOCUS
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 4,158 MILES
Can't seem to figure out the problem, we change fuel pump, fuel pressure regulator. Start the car, it idles okay, but when you step on the gas, the car bogs. Can you help?
Thursday, July 10th, 2008 AT 11:20 PM

1 Reply

Tiny
OBXAUTOMEDIC
  • MECHANIC
  • 3,711 POSTS
P0191 Fuel Rail Pressure Sensor Circuit Range/Performance

P2196 O2 Sensor Signal Stuck Rich

Change the O2 Sensor and see what happens. With it being stuck rich it is telling the computer the engine need more gas and is pumping to much into the cylinders.
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Friday, July 11th, 2008 AT 7:09 AM

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