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(Chapter 21) Ignition inputs, cam and crank
Join me and one of my students at RTC as we troubleshoot an intermittent no start problem on a Jeep Grand Cherokee. The procedures shown in this video apply to all Chrysler, Dodge and Jeep electrical systems. In particular, the cam and crank sensor tests that we show.
What do you do when the flow chart leads you to engine computer replacement? Think outside the box!
This Caravan case study covers scope testing camshaft and crankshaft sensor signals while diagnosing a timing misalignment code, a valuable skill for all makes and models.
Here, we’re diagnosing an intermittent misfire symptom, caused by an excessive crankshaft position sensor air gap.
In this video I will show you how to test a crank sensor on a GM 3.8L (3800) engine.
This is a common problem on Ford systems that use this style of camshaft sensor.
This video covers no start, no spark diagnostics and wiring repair of a crank sensor connector.