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Car won't start after new cam and crankshaft sensor replaced

jijo
in Audi A4 (B8) Forum

Featured Replies

Have just replaced the camshaft and crankshaft sensor on audi a4 2.0tdi s-line. Also just replaced the timing belt. The car won't start now, no error codes are coming up. Battery full but coming on dash that it's low. Any help appreciated thanks

7 hours ago, jijo said:

Have just replaced the camshaft and crankshaft sensor on audi a4 2.0tdi s-line. Also just replaced the timing belt. The car won't start now, no error codes are coming up. Battery full but coming on dash that it's low. Any help appreciated thanks

Hi re check the cam belt timing or did it run fine after the belt was changed and only play up after the sensor change.

Steve.

  • Author
20 minutes ago, Stevey Y said:

Hi re check the cam belt timing or did it run fine after the belt was changed and only play up after the sensor change.

Steve.

Was working fine before, only changed as had the console off and looked a bit frayed when changing the sensor 

On 8/31/2023 at 6:57 PM, jijo said:

Was working fine before, only changed as had the console off and looked a bit frayed when changing the sensor 

Hi its possible that you have a dodgy sensor, not unknown, I have pulled them out of a new box and fitted them and had the same result, avoid NAPA or any of the own brand stuff on eBay you can't go wrong with a bit of FEBI/HELLA/BOSCH they might be a bit dearer but when fitted you will see where the extra money went.

Steve.

  • Author
14 hours ago, Stevey Y said:

Hi its possible that you have a dodgy sensor, not unknown, I have pulled them out of a new box and fitted them and had the same result, avoid NAPA or any of the own brand stuff on eBay you can't go wrong with a bit of FEBI/HELLA/BOSCH they might be a bit dearer but when fitted you will see where the extra money went.

Steve.

Hi Steve, all part's fitted have come from audi. Would rather pay bit extra like u say

    • Like 1
    7 hours ago, jijo said:

    Hi Steve, all part's fitted have come from audi. Would rather pay bit extra like u say

    Hi it is still possible its a wrong un try fitting the old one and see what happens if its the same you could have a wiring problem at the plug on the main loom where it connects to the sensor.

    Steve.

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