
2004 Ford Focus LX 2.3L MIL Lamp on
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
FIX posted 9/25/2008
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Message Closed w/FIX
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VIN | 1FAFP33Z54 |
Engine | 2.3 L / 4 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0053 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance |
Message Closed w/FIX
Vehicle Data
2004 Ford Focus LX
VIN | 1FAFP33Z54 |
Engine | 2.3 L / 4 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0053 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance |