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2004 Ford Focus LX 2.3L MIL Lamp on
Posted to Ford Driveability on 9/22/2008 2 Replies

checked heater resistance 5 ohms, checked vpwr, sigrtn, ho2s signal, heater all back to pcm. amps will not change ho2s1 .167 the other 2 are .560. i think im looking at another pcm

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  Related Documents & Media  2004 Ford Focus LX

 
Message Closed w/FIX

car Vehicle Data

2004 Ford Focus LX

VIN 1FAFP33Z54
Engine2.3 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0053Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance
Message Closed w/FIX

car Vehicle Data

2004 Ford Focus LX

VIN 1FAFP33Z54
Engine2.3 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0053Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance