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Thread: Fuel Temp Sensor

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  1. Fuel Temp Sensor 
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    Hi Guys

    (1.9TDI PD engine)

    Hopefully you can help!

    Recently had my check engine light come on with the code P0183 fuel temp sensor. I have changed the sensor and reset the light but the fault light comes back.

    Have now tested the old sensor with a multimeter and it appears to work with the resistance changing during a temperature input.

    Have checked other sensors on the engine with the ignition on,they are all getting a 5V supply.

    However my fuel temp sensor is only getting a 2.5V supply but it is showing a good earth. So the wires not broken.

    Any ideas on a next step. I'm stuck for ideas.

    Should it actually be a 5V supply?
    ECU fault?
    Is there two fuel temp sensors?

    Many thanks in advance!!
     
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  2. Re: Fuel Temp Sensor 
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    Quote Originally Posted by Bobs2293 View Post
    Hi Guys

    (1.9TDI PD engine)

    Hopefully you can help!

    Recently had my check engine light come on with the code P0183 fuel temp sensor. I have changed the sensor and reset the light but the fault light comes back.

    Have now tested the old sensor with a multimeter and it appears to work with the resistance changing during a temperature input.

    Have checked other sensors on the engine with the ignition on,they are all getting a 5V supply.

    However my fuel temp sensor is only getting a 2.5V supply but it is showing a good earth. So the wires not broken.

    Any ideas on a next step. I'm stuck for ideas.

    Should it actually be a 5V supply?
    ECU fault?
    Is there two fuel temp sensors?

    Many thanks in advance!!
    far as i know its just the one--did you clrear the fault, try ecu reset !!!
     
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  3. Re: Fuel Temp Sensor 
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    I did via the code reader. It comes back every time
     
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  4. Re: Fuel Temp Sensor 
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    Quote Originally Posted by Vagnuts View Post
    far as i know its just the one--did you clrear the fault, try ecu reset !!!
    silly question, but have you checked the fuse ???
     
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  5. Re: Fuel Temp Sensor 
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    That specific sensor doesn't appear to have its own fuse. There is also a voltage there.
     
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  6. Re: Fuel Temp Sensor 
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    pos bad earth ?? I am just guessing at this point !!!
     
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  7. Re: Fuel Temp Sensor 
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    Quote Originally Posted by Vagnuts View Post
    pos bad earth ?? I am just guessing at this point !!!
    found this on Ross tech site---
    16567/P0183 - Fuel Temperature Sensor A (G81): Open or Short to Plus

     
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