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- (Chapter 3) Transistors, Solenoids, Computer Controlled Output Testing
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In this video I will show you how to test for spark, fuel pressure and injector pulse as well as how to test the engine main relay for proper operation. The vehicle is a 2005 Chevy Equinox with a 3.4L engine and the main relay (which supplies power to the fuel injectors) is not turning on.
Do not change your purge solenoid or any other components without first checking your gas cap! The manufacturer doesn't list EVAP leaks (loose gas cap), as one of the causes of this code, so it is no wonder so many people are having issues.
2006 Chevy Impala with a P0449 Evaporative Emission (EVAP) Vent Solenoid Control Circuit trouble code. In this video I will show you how to test and repair this fault code with universal testing methods that can be applied to all cars and trucks.
In this video I will be showing you how to test for an EVAP system leak, using a smoke machine.
I will be testing the Intake and Exhaust Camshaft Actuator Solenoid Valves in this video. The vehicle is a 2012 Buick Verano with a 2.4L Ecotec engine. These solenoids are high failure items on this particular engine.