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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 1.0L (L4B L4F L4G LIJ) Or 1.2L (L4H L4K LIF LIH) - Description And Operation) >> Description and Operation >> Electronic Ignition System Description >> Camshaft Reluctor Wheel

Camshaft Reluctor Wheel

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The camshaft reluctor wheel is bolted to the front of the camshaft. The wheel is a smooth track, half of which is of a lower profile than the other half. This track is read in a radial or axial fashion respectively. This allows the camshaft position sensor to supply a signal as soon as the key is turned ON, since the camshaft position sensor reads the track profile, instead of a notch.

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