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Cam & crankshaft sensor fitting tips

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Camshaft sensors often fail due to damage from oil contamination, so you need to ensure any oil leaks are addressed before replacing the sensor. After removing the old sensor, oil the ‘O’ ring of the new sensor, ready for installation. 

The correct positioning of the new sensor is critical as camshaft sensors often feature slotted mounting holes and/or locating pins. Ensure any locating pins are correctly seated before fully slotting into place. Failure to do so can shear off the locating pin, causing misalignment and incorrect readings. Finally, reconnect wiring and reset the ECU if required. 

Some cam/crankshaft sensors are particularly difficult to replace, usually due to awkward fitting locations within the engine bay, camshaft sensor EE0018 being a good example. Elta Automotive says this has the highest return rate under warranty, but when tested the diagnosis usually rejects the claim as it is not faulty, but damaged due to a fitting error. The sensor is located in a particularly tricky position and is often returned with the locating lug sheared off, probably as a result of securing the sensor into place without correct alignment. The slight misalignment of the sensor has a dramatic effect on its performance, as can be seen in the accompanying scope readings. 

VXPRO products from Elta Automotive are tested to ensure they operate within the manufacturer’s original parameters. Technical advice for each part can be accessed via QR codes on the packaging. 

EMAIL: sales@elta.co.uk 

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