David2004

Engine malfunction 1.6 tdci

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The dreaded engine malfunction mode under acceleration tried a fault finder u0121 switch engine off an back drives normally steady acceleration drives fine 

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You need  to reacthe codes with something like forscan a free down load https://forscan.org/download.html and get a modified elm cable like this one https://tunnelrat-electronics.fwscart.com/USB_Modified_ELM327/p4541936_17045457.aspx dont bother with the cheap one on ebay.

 

at a guess it could be the cam sensor or the crankshat sensor or any of the wiring.

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