But what if bolt on parts are either not available, or out of the budget? You can add a crankshaft position sensor and camshaft position sensor with some basic fabrication tools. But what if you’re converting an older carbureted engine to EFI, or want sequential injection on an engine with an early bank to bank EFI system? Sometimes, you may be able to get an easy bolt-on solution from a later engine or the aftermarket. Loosen the housing and rotate it to proper position as needed.Many engines from the 1990s and later already have enough sensors to fully support sequential fuel injection. At the 25-26 degree ATDC point of crankshaft rotation, the tooth of the CMP synchronizer should be centered in the notch of the housing that is cut out for the mounting of the sensor on the housing. Every tooth on the ring represents 10 degrees of crankshaft rotation, so rotate the engine 2.5 teeth in the ATDC direction.Ĥ. To do this, note the relationship of the Crankshaft Position (CKP) sensor and the trigger wheel on the crankshaft belt pulley. To verify that the installation is correct after removing the special tool, rotate the crankshaft to 25 degrees After Top Dead Center (ATDC) for cylinder #1.
With the crankshaft in proper position, install the tool onto the synchronizer assembly and install the synchronizer so that the arrow on the tool points to 54 degrees counterclockwise from the centerline of the engine.ģ. When using the special tool for sensor alignment, the engine needs to be placed at Top Dead Center (TDC) with #1 cylinder on compression stroke.Ģ.
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