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P-0030 Ho2S Heater Control Circuit 1 Bank 1 Sensor 1

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#1 Kenny Hogg

Kenny Hogg


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  • Name: Kenneth
  • Ford Model: KA
  • Year: 2003
  • Location: Hertfordshire

Posted 01 April 2013 - 08:05 PM



My daughter has a KA Luxury and the engine management light came up. When I was getting a tyre fitted to it the guy plugged in his code reader and told me that it was the P-0030 HO2S Heater Control Circuit 1 Bank 1 Sensor 1.


Is this a normal fault with this car and is it easy to fix?

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#2 stef123


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  • Name: Stefan
  • Ford Model: Mondeo ST TDCI
  • Year: 2006
  • Location: Fife

Posted 02 April 2013 - 06:24 AM

Hello and welcome to the forums,

The most likely cause is a duff sensor. The code is referring to the pre car sensor

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