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Camshaft position sensor fault codes

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  • 13-07-2014 1:01pm
    #1
    mickdw
    Registered Users Posts: 23,324 ✭✭✭✭


    1.8 Tfsi Audi A5
    I got engine management light with a tiny blip in power which recovered immediately with light staying.
    Checked with vagcom for codes and got

    Camshaft position sensor (G40)- Signal too high
    P0343 00[232] - Open circuit

    and

    Camshaft position sensor (G40)- Signal too low
    P0342 00 [096] - Electrical fault in circuit

    Never had any issue before from new. 90k miles now on car.
    Sensor is cheap and easy to replace but is there any chance this is related to the timing chain stretching. Some of the smaller Tfsi engines had trouble with chains but Ive not heard of the 1.8 Tfsi giving chain trouble.
    The code does say electrical fault too so hopefully not
    Any opinions?


Comments

  • Options
    #2
    Stoolbend
    Registered Users Posts: 1,285 ✭✭✭Stoolbend


    With it saying open circuit and electrical fault in circuit I'd say you're safe enough changing the sensor. Its also possible that you could have wiring trouble.


  • Options
    #3
    mickdw
    Registered Users Posts: 23,324 ✭✭✭✭mickdw


    Stoolbend wrote: »
    With it saying open circuit and electrical fault in circuit I'd say you're safe enough changing the sensor. Its also possible that you could have wiring trouble.

    I have all wiring diagrams so I should be able to locate both ends of wires etc for checking.
    Anyway, I cleared codes and have covered many many miles since this morning and is fine for now.


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