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Audi a5 1.8 tfsi cam and crank correlation fault

  • 20-01-2019 5:35pm
    #1
    mickdw
    Registered Users, Registered Users 2 Posts: 23,465 ✭✭✭✭


    My car has started taking a few extra turns to start And engine management light on.
    Code P0016 00 CMP sensor G40 , Engine speed sensor G28, Incorrect Correlation.

    I'm guessing I might have dreaded timing chain issue but anyone experience of this on these engines?

    If I clear fault, it starts perfectly and runs with perfect power until next start where it will take a few turns and after a few starts, light comes on again.
    Any opinions?


Comments

  • #2
    George Dalton
    Registered Users, Registered Users 2 Posts: 5,728 ✭✭✭George Dalton


    Most likely chain.


  • #3
    mickdw
    Registered Users, Registered Users 2 Posts: 23,465 ✭✭✭✭mickdw


    What the typical cost for chain kit roughly and labour


  • #4
    George Dalton
    Registered Users, Registered Users 2 Posts: 5,728 ✭✭✭George Dalton


    We do them for €575. No idea about other places tbh. Not every garage would be familiar with them or have the tools etc.


  • #5
    mickdw
    Registered Users, Registered Users 2 Posts: 23,465 ✭✭✭✭mickdw


    Oh. I thought it might be more.


  • #6
    George Dalton
    Registered Users, Registered Users 2 Posts: 5,728 ✭✭✭George Dalton


    Just thinking about this, the timing could well have slipped while the other work was being carried out, when removing the gearbox the engine needs to be turned by hand to access some bolts attaching the drive plate to the flywheel, if it was turned anticlockwise and the chain and/or tensioner weren't in the best of shape anyway then it is quite likely that the chain could have slipped a tooth or two. I have seen it happen in the past.


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