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2004 Ford Focus SE 2.3L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp on, Bogg
Posted to Ford Driveability on 4/5/2012 7 Replies

I have checked the three wires at the tps and fuel rail sensor and at least when i check it all reads normal. 5 volt ref. ground and signal wire. The wiring diagram shows they splice into each other. When this car is cold and codes cleared it runs and drives g...

FIX posted 5/18/2012

7 Replies Received (View Replies)

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car Vehicle Data

2004 Ford Focus SE

VIN 1FAFP34Z54
Engine2.3 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / PFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy, Mil Lamp On, Bogg
OccursHot, Intermittently

Trouble Codes

P0106Manifold Air Pressure Sensor Range/Performance
P0122Throttle Position Sensor Circuit Low Voltage
P0171Fuel System Too Lean (Bank 1)
P0190Fuel Pressure Sensor Circuit Signal Voltage Too High
P2195Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean