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2002 Ford Focus LX 2.0L Poor Idle Quality, Surge, MIL Lamp on
Posted to Ford Driveability on 3/17/2015 12 Replies

high every body, thanks for your time and help, I have this 02 ford focus that customer replaced air flow sensor, and rear O2 sensor, the problem is the engine always is running lean, when I started to check, long ft was on 35. did the computer reset by scanne...

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  Related Documents & Media  2002 Ford Focus LX

 
Message Closed w/FIX

car Vehicle Data

2002 Ford Focus LX

VIN 1FAFP33P42
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, MIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
Message Closed w/FIX

car Vehicle Data

2002 Ford Focus LX

VIN 1FAFP33P42
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, MIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)