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post #2 of (permalink) Old 3rd May 2009
Technical Supremo

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The TDC sensors are usually banana shaped but by a stretch ofthe imagination you could class it as clam shaped.
Duff TDC sensors usually cause poor starting. The most common causes of "check emmisions" which usually denotes over-fuelling on petrol engines is duff coils or possibly a duff Lamda sensor. I suggest a bit more checking although a clean up of the TDC sensor could eliminate that possibility
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